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Finding the Fourth Proportional to 326,073.60, 488,332.80 and 326,073.60

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Solution

The fourth proportional to 326,073.60, 488,332.80 and 326,073.60 is: 488,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,073.60 : 488,332.80 = 326,073.60 : x
  2. Step 2: Convert to fraction form
    326,073.60/488,332.80 = 326,073.60/x
  3. Step 3: Cross multiply
    326,073.60x = 488,332.80 × 326,073.60
  4. Step 4: Simplify right side
    326,073.60x = 159,232,434,094.08
  5. Step 5: Solve for x
    x = 159,232,434,094.08/326,073.60
  6. Step 6: Final answer
    x = 488,332.80

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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.