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Finding the Fourth Proportional to 555,641.52, 833,462.28 and 134,914.56

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Solution

The fourth proportional to 555,641.52, 833,462.28 and 134,914.56 is: 202,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,641.52 : 833,462.28 = 134,914.56 : x
  2. Step 2: Convert to fraction form
    555,641.52/833,462.28 = 134,914.56/x
  3. Step 3: Cross multiply
    555,641.52x = 833,462.28 × 134,914.56
  4. Step 4: Simplify right side
    555,641.52x = 112,446,196,782.80
  5. Step 5: Solve for x
    x = 112,446,196,782.80/555,641.52
  6. Step 6: Final answer
    x = 202,371.84

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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.