Home / 282,916.38-390,416.78-155,592.06

Finding the Fourth Proportional to 282,916.38, 390,416.78 and 155,592.06

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Solution

The fourth proportional to 282,916.38, 390,416.78 and 155,592.06 is: 214,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,916.38 : 390,416.78 = 155,592.06 : x
  2. Step 2: Convert to fraction form
    282,916.38/390,416.78 = 155,592.06/x
  3. Step 3: Cross multiply
    282,916.38x = 390,416.78 × 155,592.06
  4. Step 4: Simplify right side
    282,916.38x = 60,745,751,058.77
  5. Step 5: Solve for x
    x = 60,745,751,058.77/282,916.38
  6. Step 6: Final answer
    x = 214,712.74

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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.