Home / 458,869.24-688,303.86-143,351.02

Finding the Fourth Proportional to 458,869.24, 688,303.86 and 143,351.02

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Solution

The fourth proportional to 458,869.24, 688,303.86 and 143,351.02 is: 215,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,869.24 : 688,303.86 = 143,351.02 : x
  2. Step 2: Convert to fraction form
    458,869.24/688,303.86 = 143,351.02/x
  3. Step 3: Cross multiply
    458,869.24x = 688,303.86 × 143,351.02
  4. Step 4: Simplify right side
    458,869.24x = 98,669,060,400.94
  5. Step 5: Solve for x
    x = 98,669,060,400.94/458,869.24
  6. Step 6: Final answer
    x = 215,026.53

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.