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Finding the Fourth Proportional to 346,253.60, 519,250.80 and 121,527.20

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Solution

The fourth proportional to 346,253.60, 519,250.80 and 121,527.20 is: 182,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,253.60 : 519,250.80 = 121,527.20 : x
  2. Step 2: Convert to fraction form
    346,253.60/519,250.80 = 121,527.20/x
  3. Step 3: Cross multiply
    346,253.60x = 519,250.80 × 121,527.20
  4. Step 4: Simplify right side
    346,253.60x = 63,103,095,821.76
  5. Step 5: Solve for x
    x = 63,103,095,821.76/346,253.60
  6. Step 6: Final answer
    x = 182,245.31

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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.