Home / 277,397.61-415,728.57-142,456.22

Finding the Fourth Proportional to 277,397.61, 415,728.57 and 142,456.22

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Solution

The fourth proportional to 277,397.61, 415,728.57 and 142,456.22 is: 213,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,397.61 : 415,728.57 = 142,456.22 : x
  2. Step 2: Convert to fraction form
    277,397.61/415,728.57 = 142,456.22/x
  3. Step 3: Cross multiply
    277,397.61x = 415,728.57 × 142,456.22
  4. Step 4: Simplify right side
    277,397.61x = 59,223,122,981.23
  5. Step 5: Solve for x
    x = 59,223,122,981.23/277,397.61
  6. Step 6: Final answer
    x = 213,495.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.