Home / 249,407.80-374,145.56-80,873.16

Finding the Fourth Proportional to 249,407.80, 374,145.56 and 80,873.16

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Solution

The fourth proportional to 249,407.80, 374,145.56 and 80,873.16 is: 121,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,407.80 : 374,145.56 = 80,873.16 : x
  2. Step 2: Convert to fraction form
    249,407.80/374,145.56 = 80,873.16/x
  3. Step 3: Cross multiply
    249,407.80x = 374,145.56 × 80,873.16
  4. Step 4: Simplify right side
    249,407.80x = 30,258,333,737.17
  5. Step 5: Solve for x
    x = 30,258,333,737.17/249,407.80
  6. Step 6: Final answer
    x = 121,320.72

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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.