Home / 249,009.32-373,517.32-78,225.47

Finding the Fourth Proportional to 249,009.32, 373,517.32 and 78,225.47

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Solution

The fourth proportional to 249,009.32, 373,517.32 and 78,225.47 is: 117,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,009.32 : 373,517.32 = 78,225.47 : x
  2. Step 2: Convert to fraction form
    249,009.32/373,517.32 = 78,225.47/x
  3. Step 3: Cross multiply
    249,009.32x = 373,517.32 × 78,225.47
  4. Step 4: Simplify right side
    249,009.32x = 29,218,568,224.86
  5. Step 5: Solve for x
    x = 29,218,568,224.86/249,009.32
  6. Step 6: Final answer
    x = 117,339.25

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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.