Home / 305,218.40-457,897.20-94,877.60

Finding the Fourth Proportional to 305,218.40, 457,897.20 and 94,877.60

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Solution

The fourth proportional to 305,218.40, 457,897.20 and 94,877.60 is: 142,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,218.40 : 457,897.20 = 94,877.60 : x
  2. Step 2: Convert to fraction form
    305,218.40/457,897.20 = 94,877.60/x
  3. Step 3: Cross multiply
    305,218.40x = 457,897.20 × 94,877.60
  4. Step 4: Simplify right side
    305,218.40x = 43,444,187,382.72
  5. Step 5: Solve for x
    x = 43,444,187,382.72/305,218.40
  6. Step 6: Final answer
    x = 142,338.04

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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.