Home / 249,908.28-374,468.76-137,421.42

Finding the Fourth Proportional to 249,908.28, 374,468.76 and 137,421.42

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Solution

The fourth proportional to 249,908.28, 374,468.76 and 137,421.42 is: 205,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,908.28 : 374,468.76 = 137,421.42 : x
  2. Step 2: Convert to fraction form
    249,908.28/374,468.76 = 137,421.42/x
  3. Step 3: Cross multiply
    249,908.28x = 374,468.76 × 137,421.42
  4. Step 4: Simplify right side
    249,908.28x = 51,460,028,744.84
  5. Step 5: Solve for x
    x = 51,460,028,744.84/249,908.28
  6. Step 6: Final answer
    x = 205,915.66

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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.