Home / 282,322.35-389,605.49-155,006.14

Finding the Fourth Proportional to 282,322.35, 389,605.49 and 155,006.14

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Solution

The fourth proportional to 282,322.35, 389,605.49 and 155,006.14 is: 213,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,322.35 : 389,605.49 = 155,006.14 : x
  2. Step 2: Convert to fraction form
    282,322.35/389,605.49 = 155,006.14/x
  3. Step 3: Cross multiply
    282,322.35x = 389,605.49 × 155,006.14
  4. Step 4: Simplify right side
    282,322.35x = 60,391,243,127.71
  5. Step 5: Solve for x
    x = 60,391,243,127.71/282,322.35
  6. Step 6: Final answer
    x = 213,908.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.