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Finding the Fourth Proportional to 542,825.56, 749,111.28 and 301,100.28

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Solution

The fourth proportional to 542,825.56, 749,111.28 and 301,100.28 is: 415,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,825.56 : 749,111.28 = 301,100.28 : x
  2. Step 2: Convert to fraction form
    542,825.56/749,111.28 = 301,100.28/x
  3. Step 3: Cross multiply
    542,825.56x = 749,111.28 × 301,100.28
  4. Step 4: Simplify right side
    542,825.56x = 225,557,616,159.16
  5. Step 5: Solve for x
    x = 225,557,616,159.16/542,825.56
  6. Step 6: Final answer
    x = 415,525.05

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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.