Home / 284,730.03-392,912.10-157,398.03

Finding the Fourth Proportional to 284,730.03, 392,912.10 and 157,398.03

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Solution

The fourth proportional to 284,730.03, 392,912.10 and 157,398.03 is: 217,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,730.03 : 392,912.10 = 157,398.03 : x
  2. Step 2: Convert to fraction form
    284,730.03/392,912.10 = 157,398.03/x
  3. Step 3: Cross multiply
    284,730.03x = 392,912.10 × 157,398.03
  4. Step 4: Simplify right side
    284,730.03x = 61,843,590,503.16
  5. Step 5: Solve for x
    x = 61,843,590,503.16/284,730.03
  6. Step 6: Final answer
    x = 217,200.80

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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.