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Finding the Fourth Proportional to 542,852.80, 749,141.36 and 301,151.20

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Solution

The fourth proportional to 542,852.80, 749,141.36 and 301,151.20 is: 415,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,852.80 : 749,141.36 = 301,151.20 : x
  2. Step 2: Convert to fraction form
    542,852.80/749,141.36 = 301,151.20/x
  3. Step 3: Cross multiply
    542,852.80x = 749,141.36 × 301,151.20
  4. Step 4: Simplify right side
    542,852.80x = 225,604,819,533.63
  5. Step 5: Solve for x
    x = 225,604,819,533.63/542,852.80
  6. Step 6: Final answer
    x = 415,591.15

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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.