Home / 397,905.39-596,498.02-145,126.61

Finding the Fourth Proportional to 397,905.39, 596,498.02 and 145,126.61

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Solution

The fourth proportional to 397,905.39, 596,498.02 and 145,126.61 is: 217,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,905.39 : 596,498.02 = 145,126.61 : x
  2. Step 2: Convert to fraction form
    397,905.39/596,498.02 = 145,126.61/x
  3. Step 3: Cross multiply
    397,905.39x = 596,498.02 × 145,126.61
  4. Step 4: Simplify right side
    397,905.39x = 86,567,736,899.86
  5. Step 5: Solve for x
    x = 86,567,736,899.86/397,905.39
  6. Step 6: Final answer
    x = 217,558.59

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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.