Home / 459,837.32-689,785.14-144,306.68

Finding the Fourth Proportional to 459,837.32, 689,785.14 and 144,306.68

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Solution

The fourth proportional to 459,837.32, 689,785.14 and 144,306.68 is: 216,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,837.32 : 689,785.14 = 144,306.68 : x
  2. Step 2: Convert to fraction form
    459,837.32/689,785.14 = 144,306.68/x
  3. Step 3: Cross multiply
    459,837.32x = 689,785.14 × 144,306.68
  4. Step 4: Simplify right side
    459,837.32x = 99,540,603,466.74
  5. Step 5: Solve for x
    x = 99,540,603,466.74/459,837.32
  6. Step 6: Final answer
    x = 216,469.17

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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.