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Finding the Fourth Proportional to 374,201.17, 561,656.62 and 231,615.14

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Solution

The fourth proportional to 374,201.17, 561,656.62 and 231,615.14 is: 347,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,201.17 : 561,656.62 = 231,615.14 : x
  2. Step 2: Convert to fraction form
    374,201.17/561,656.62 = 231,615.14/x
  3. Step 3: Cross multiply
    374,201.17x = 561,656.62 × 231,615.14
  4. Step 4: Simplify right side
    374,201.17x = 130,088,174,154.46
  5. Step 5: Solve for x
    x = 130,088,174,154.46/374,201.17
  6. Step 6: Final answer
    x = 347,642.35

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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.