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Finding the Fourth Proportional to 347,271.60, 520,032.60 and 277,287.60

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Solution

The fourth proportional to 347,271.60, 520,032.60 and 277,287.60 is: 415,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,271.60 : 520,032.60 = 277,287.60 : x
  2. Step 2: Convert to fraction form
    347,271.60/520,032.60 = 277,287.60/x
  3. Step 3: Cross multiply
    347,271.60x = 520,032.60 × 277,287.60
  4. Step 4: Simplify right side
    347,271.60x = 144,198,591,575.76
  5. Step 5: Solve for x
    x = 144,198,591,575.76/347,271.60
  6. Step 6: Final answer
    x = 415,232.89

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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.