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Finding the Fourth Proportional to 561,345.42, 842,617.54 and 241,655.52

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Solution

The fourth proportional to 561,345.42, 842,617.54 and 241,655.52 is: 362,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,345.42 : 842,617.54 = 241,655.52 : x
  2. Step 2: Convert to fraction form
    561,345.42/842,617.54 = 241,655.52/x
  3. Step 3: Cross multiply
    561,345.42x = 842,617.54 × 241,655.52
  4. Step 4: Simplify right side
    561,345.42x = 203,623,179,789.82
  5. Step 5: Solve for x
    x = 203,623,179,789.82/561,345.42
  6. Step 6: Final answer
    x = 362,741.32

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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.