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Finding the Fourth Proportional to 610,187.52, 842,087.04 and 355,497.60

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Solution

The fourth proportional to 610,187.52, 842,087.04 and 355,497.60 is: 490,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,187.52 : 842,087.04 = 355,497.60 : x
  2. Step 2: Convert to fraction form
    610,187.52/842,087.04 = 355,497.60/x
  3. Step 3: Cross multiply
    610,187.52x = 842,087.04 × 355,497.60
  4. Step 4: Simplify right side
    610,187.52x = 299,359,921,711.10
  5. Step 5: Solve for x
    x = 299,359,921,711.10/610,187.52
  6. Step 6: Final answer
    x = 490,603.15

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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.