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Finding the Fourth Proportional to 288,060.60, 431,313.30 and 288,060.60

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Solution

The fourth proportional to 288,060.60, 431,313.30 and 288,060.60 is: 431,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,060.60 : 431,313.30 = 288,060.60 : x
  2. Step 2: Convert to fraction form
    288,060.60/431,313.30 = 288,060.60/x
  3. Step 3: Cross multiply
    288,060.60x = 431,313.30 × 288,060.60
  4. Step 4: Simplify right side
    288,060.60x = 124,244,367,985.98
  5. Step 5: Solve for x
    x = 124,244,367,985.98/288,060.60
  6. Step 6: Final answer
    x = 431,313.30

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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.