Home / 249,384.04-374,128.62-80,891.25

Finding the Fourth Proportional to 249,384.04, 374,128.62 and 80,891.25

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Solution

The fourth proportional to 249,384.04, 374,128.62 and 80,891.25 is: 121,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,384.04 : 374,128.62 = 80,891.25 : x
  2. Step 2: Convert to fraction form
    249,384.04/374,128.62 = 80,891.25/x
  3. Step 3: Cross multiply
    249,384.04x = 374,128.62 × 80,891.25
  4. Step 4: Simplify right side
    249,384.04x = 30,263,731,732.58
  5. Step 5: Solve for x
    x = 30,263,731,732.58/249,384.04
  6. Step 6: Final answer
    x = 121,353.92

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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.