Home / 295,259.12-442,222.81-137,154.86

Finding the Fourth Proportional to 295,259.12, 442,222.81 and 137,154.86

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Solution

The fourth proportional to 295,259.12, 442,222.81 and 137,154.86 is: 205,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,259.12 : 442,222.81 = 137,154.86 : x
  2. Step 2: Convert to fraction form
    295,259.12/442,222.81 = 137,154.86/x
  3. Step 3: Cross multiply
    295,259.12x = 442,222.81 × 137,154.86
  4. Step 4: Simplify right side
    295,259.12x = 60,653,007,594.36
  5. Step 5: Solve for x
    x = 60,653,007,594.36/295,259.12
  6. Step 6: Final answer
    x = 205,422.98

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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.