Home / 249,379.94-374,122.52-80,887.18

Finding the Fourth Proportional to 249,379.94, 374,122.52 and 80,887.18

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Solution

The fourth proportional to 249,379.94, 374,122.52 and 80,887.18 is: 121,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,379.94 : 374,122.52 = 80,887.18 : x
  2. Step 2: Convert to fraction form
    249,379.94/374,122.52 = 80,887.18/x
  3. Step 3: Cross multiply
    249,379.94x = 374,122.52 × 80,887.18
  4. Step 4: Simplify right side
    249,379.94x = 30,261,716,562.07
  5. Step 5: Solve for x
    x = 30,261,716,562.07/249,379.94
  6. Step 6: Final answer
    x = 121,347.84

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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.