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Finding the Fourth Proportional to 147,430.70, 221,146.05 and 36,622.70

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Solution

The fourth proportional to 147,430.70, 221,146.05 and 36,622.70 is: 54,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,430.70 : 221,146.05 = 36,622.70 : x
  2. Step 2: Convert to fraction form
    147,430.70/221,146.05 = 36,622.70/x
  3. Step 3: Cross multiply
    147,430.70x = 221,146.05 × 36,622.70
  4. Step 4: Simplify right side
    147,430.70x = 8,098,965,445.34
  5. Step 5: Solve for x
    x = 8,098,965,445.34/147,430.70
  6. Step 6: Final answer
    x = 54,934.05

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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.