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Finding the Fourth Proportional to 147,047.60, 220,600.02 and 47,200.14

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Solution

The fourth proportional to 147,047.60, 220,600.02 and 47,200.14 is: 70,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,047.60 : 220,600.02 = 47,200.14 : x
  2. Step 2: Convert to fraction form
    147,047.60/220,600.02 = 47,200.14/x
  3. Step 3: Cross multiply
    147,047.60x = 220,600.02 × 47,200.14
  4. Step 4: Simplify right side
    147,047.60x = 10,412,351,828.00
  5. Step 5: Solve for x
    x = 10,412,351,828.00/147,047.60
  6. Step 6: Final answer
    x = 70,809.40

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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.