Home / 282,946.92-390,454.62-155,614.28

Finding the Fourth Proportional to 282,946.92, 390,454.62 and 155,614.28

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Solution

The fourth proportional to 282,946.92, 390,454.62 and 155,614.28 is: 214,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,946.92 : 390,454.62 = 155,614.28 : x
  2. Step 2: Convert to fraction form
    282,946.92/390,454.62 = 155,614.28/x
  3. Step 3: Cross multiply
    282,946.92x = 390,454.62 × 155,614.28
  4. Step 4: Simplify right side
    282,946.92x = 60,760,314,563.97
  5. Step 5: Solve for x
    x = 60,760,314,563.97/282,946.92
  6. Step 6: Final answer
    x = 214,741.04

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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.