Home / 459,929.25-689,900.09-144,386.19

Finding the Fourth Proportional to 459,929.25, 689,900.09 and 144,386.19

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Solution

The fourth proportional to 459,929.25, 689,900.09 and 144,386.19 is: 216,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,929.25 : 689,900.09 = 144,386.19 : x
  2. Step 2: Convert to fraction form
    459,929.25/689,900.09 = 144,386.19/x
  3. Step 3: Cross multiply
    459,929.25x = 689,900.09 × 144,386.19
  4. Step 4: Simplify right side
    459,929.25x = 99,612,044,753.83
  5. Step 5: Solve for x
    x = 99,612,044,753.83/459,929.25
  6. Step 6: Final answer
    x = 216,581.23

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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.