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Finding the Fourth Proportional to 561,549.40, 842,368.26 and 187,573.72

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Solution

The fourth proportional to 561,549.40, 842,368.26 and 187,573.72 is: 281,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,549.40 : 842,368.26 = 187,573.72 : x
  2. Step 2: Convert to fraction form
    561,549.40/842,368.26 = 187,573.72/x
  3. Step 3: Cross multiply
    561,549.40x = 842,368.26 × 187,573.72
  4. Step 4: Simplify right side
    561,549.40x = 158,006,148,138.13
  5. Step 5: Solve for x
    x = 158,006,148,138.13/561,549.40
  6. Step 6: Final answer
    x = 281,375.33

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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.