Home / 274,633.50-379,001.26-153,800.32

Finding the Fourth Proportional to 274,633.50, 379,001.26 and 153,800.32

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Solution

The fourth proportional to 274,633.50, 379,001.26 and 153,800.32 is: 212,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,633.50 : 379,001.26 = 153,800.32 : x
  2. Step 2: Convert to fraction form
    274,633.50/379,001.26 = 153,800.32/x
  3. Step 3: Cross multiply
    274,633.50x = 379,001.26 × 153,800.32
  4. Step 4: Simplify right side
    274,633.50x = 58,290,515,068.40
  5. Step 5: Solve for x
    x = 58,290,515,068.40/274,633.50
  6. Step 6: Final answer
    x = 212,248.38

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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.