Home / 316,413.48-474,567.30-138,872.82

Finding the Fourth Proportional to 316,413.48, 474,567.30 and 138,872.82

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Solution

The fourth proportional to 316,413.48, 474,567.30 and 138,872.82 is: 208,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,413.48 : 474,567.30 = 138,872.82 : x
  2. Step 2: Convert to fraction form
    316,413.48/474,567.30 = 138,872.82/x
  3. Step 3: Cross multiply
    316,413.48x = 474,567.30 × 138,872.82
  4. Step 4: Simplify right side
    316,413.48x = 65,904,499,230.79
  5. Step 5: Solve for x
    x = 65,904,499,230.79/316,413.48
  6. Step 6: Final answer
    x = 208,286.00

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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.