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Finding the Fourth Proportional to 347,101.60, 520,069.20 and 169,225.60

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Solution

The fourth proportional to 347,101.60, 520,069.20 and 169,225.60 is: 253,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,101.60 : 520,069.20 = 169,225.60 : x
  2. Step 2: Convert to fraction form
    347,101.60/520,069.20 = 169,225.60/x
  3. Step 3: Cross multiply
    347,101.60x = 520,069.20 × 169,225.60
  4. Step 4: Simplify right side
    347,101.60x = 88,009,022,411.52
  5. Step 5: Solve for x
    x = 88,009,022,411.52/347,101.60
  6. Step 6: Final answer
    x = 253,554.07

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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.