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Finding the Fourth Proportional to 330,501.60, 495,655.20 and 130,755.60

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Solution

The fourth proportional to 330,501.60, 495,655.20 and 130,755.60 is: 196,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,501.60 : 495,655.20 = 130,755.60 : x
  2. Step 2: Convert to fraction form
    330,501.60/495,655.20 = 130,755.60/x
  3. Step 3: Cross multiply
    330,501.60x = 495,655.20 × 130,755.60
  4. Step 4: Simplify right side
    330,501.60x = 64,809,693,069.12
  5. Step 5: Solve for x
    x = 64,809,693,069.12/330,501.60
  6. Step 6: Final answer
    x = 196,094.94

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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.