Home / 459,433.02-689,149.56-143,914.50

Finding the Fourth Proportional to 459,433.02, 689,149.56 and 143,914.50

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Solution

The fourth proportional to 459,433.02, 689,149.56 and 143,914.50 is: 215,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,433.02 : 689,149.56 = 143,914.50 : x
  2. Step 2: Convert to fraction form
    459,433.02/689,149.56 = 143,914.50/x
  3. Step 3: Cross multiply
    459,433.02x = 689,149.56 × 143,914.50
  4. Step 4: Simplify right side
    459,433.02x = 99,178,614,352.62
  5. Step 5: Solve for x
    x = 99,178,614,352.62/459,433.02
  6. Step 6: Final answer
    x = 215,871.76

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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.