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Finding the Fourth Proportional to 288,052.60, 431,301.30 and 288,052.60

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Solution

The fourth proportional to 288,052.60, 431,301.30 and 288,052.60 is: 431,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,052.60 : 431,301.30 = 288,052.60 : x
  2. Step 2: Convert to fraction form
    288,052.60/431,301.30 = 288,052.60/x
  3. Step 3: Cross multiply
    288,052.60x = 431,301.30 × 288,052.60
  4. Step 4: Simplify right side
    288,052.60x = 124,237,460,848.38
  5. Step 5: Solve for x
    x = 124,237,460,848.38/288,052.60
  6. Step 6: Final answer
    x = 431,301.30

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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.