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Finding the Fourth Proportional to 343,632, 474,419.52 and 224,607.36

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Solution

The fourth proportional to 343,632, 474,419.52 and 224,607.36 is: 310,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,632 : 474,419.52 = 224,607.36 : x
  2. Step 2: Convert to fraction form
    343,632/474,419.52 = 224,607.36/x
  3. Step 3: Cross multiply
    343,632x = 474,419.52 × 224,607.36
  4. Step 4: Simplify right side
    343,632x = 106,558,115,919.67
  5. Step 5: Solve for x
    x = 106,558,115,919.67/343,632
  6. Step 6: Final answer
    x = 310,093.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.