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Finding the Fourth Proportional to 233,330.90, 349,737.15 and 128,225.30

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Solution

The fourth proportional to 233,330.90, 349,737.15 and 128,225.30 is: 192,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,330.90 : 349,737.15 = 128,225.30 : x
  2. Step 2: Convert to fraction form
    233,330.90/349,737.15 = 128,225.30/x
  3. Step 3: Cross multiply
    233,330.90x = 349,737.15 × 128,225.30
  4. Step 4: Simplify right side
    233,330.90x = 44,845,150,979.90
  5. Step 5: Solve for x
    x = 44,845,150,979.90/233,330.90
  6. Step 6: Final answer
    x = 192,195.51

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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.