Home / 459,616.38-689,424.77-144,097.89

Finding the Fourth Proportional to 459,616.38, 689,424.77 and 144,097.89

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Solution

The fourth proportional to 459,616.38, 689,424.77 and 144,097.89 is: 216,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,616.38 : 689,424.77 = 144,097.89 : x
  2. Step 2: Convert to fraction form
    459,616.38/689,424.77 = 144,097.89/x
  3. Step 3: Cross multiply
    459,616.38x = 689,424.77 × 144,097.89
  4. Step 4: Simplify right side
    459,616.38x = 99,344,655,030.98
  5. Step 5: Solve for x
    x = 99,344,655,030.98/459,616.38
  6. Step 6: Final answer
    x = 216,146.90

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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.