Home / 459,608.45-689,523.40-144,065.35

Finding the Fourth Proportional to 459,608.45, 689,523.40 and 144,065.35

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Solution

The fourth proportional to 459,608.45, 689,523.40 and 144,065.35 is: 216,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,608.45 : 689,523.40 = 144,065.35 : x
  2. Step 2: Convert to fraction form
    459,608.45/689,523.40 = 144,065.35/x
  3. Step 3: Cross multiply
    459,608.45x = 689,523.40 × 144,065.35
  4. Step 4: Simplify right side
    459,608.45x = 99,336,430,996.18
  5. Step 5: Solve for x
    x = 99,336,430,996.18/459,608.45
  6. Step 6: Final answer
    x = 216,132.74

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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.