Home / 282,810.17-390,234.16-168,046.13

Finding the Fourth Proportional to 282,810.17, 390,234.16 and 168,046.13

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Solution

The fourth proportional to 282,810.17, 390,234.16 and 168,046.13 is: 231,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,810.17 : 390,234.16 = 168,046.13 : x
  2. Step 2: Convert to fraction form
    282,810.17/390,234.16 = 168,046.13/x
  3. Step 3: Cross multiply
    282,810.17x = 390,234.16 × 168,046.13
  4. Step 4: Simplify right side
    282,810.17x = 65,577,340,801.92
  5. Step 5: Solve for x
    x = 65,577,340,801.92/282,810.17
  6. Step 6: Final answer
    x = 231,877.59

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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.