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Finding the Fourth Proportional to 542,893.84, 749,195.40 and 301,181.20

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Solution

The fourth proportional to 542,893.84, 749,195.40 and 301,181.20 is: 415,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,893.84 : 749,195.40 = 301,181.20 : x
  2. Step 2: Convert to fraction form
    542,893.84/749,195.40 = 301,181.20/x
  3. Step 3: Cross multiply
    542,893.84x = 749,195.40 × 301,181.20
  4. Step 4: Simplify right side
    542,893.84x = 225,643,569,606.48
  5. Step 5: Solve for x
    x = 225,643,569,606.48/542,893.84
  6. Step 6: Final answer
    x = 415,631.11

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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.