Home / 313,631.59-469,988.10-155,544.31

Finding the Fourth Proportional to 313,631.59, 469,988.10 and 155,544.31

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Solution

The fourth proportional to 313,631.59, 469,988.10 and 155,544.31 is: 233,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,631.59 : 469,988.10 = 155,544.31 : x
  2. Step 2: Convert to fraction form
    313,631.59/469,988.10 = 155,544.31/x
  3. Step 3: Cross multiply
    313,631.59x = 469,988.10 × 155,544.31
  4. Step 4: Simplify right side
    313,631.59x = 73,103,974,722.71
  5. Step 5: Solve for x
    x = 73,103,974,722.71/313,631.59
  6. Step 6: Final answer
    x = 233,088.68

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1.5x scale

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.