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Finding the Fourth Proportional to 555,370.32, 833,058.22 and 134,646.20

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Solution

The fourth proportional to 555,370.32, 833,058.22 and 134,646.20 is: 201,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,370.32 : 833,058.22 = 134,646.20 : x
  2. Step 2: Convert to fraction form
    555,370.32/833,058.22 = 134,646.20/x
  3. Step 3: Cross multiply
    555,370.32x = 833,058.22 × 134,646.20
  4. Step 4: Simplify right side
    555,370.32x = 112,168,123,701.76
  5. Step 5: Solve for x
    x = 112,168,123,701.76/555,370.32
  6. Step 6: Final answer
    x = 201,969.96

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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.