Home / 249,618.20-374,427.30-155,139.80

Finding the Fourth Proportional to 249,618.20, 374,427.30 and 155,139.80

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Solution

The fourth proportional to 249,618.20, 374,427.30 and 155,139.80 is: 232,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,618.20 : 374,427.30 = 155,139.80 : x
  2. Step 2: Convert to fraction form
    249,618.20/374,427.30 = 155,139.80/x
  3. Step 3: Cross multiply
    249,618.20x = 374,427.30 × 155,139.80
  4. Step 4: Simplify right side
    249,618.20x = 58,088,576,436.54
  5. Step 5: Solve for x
    x = 58,088,576,436.54/249,618.20
  6. Step 6: Final answer
    x = 232,709.70

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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.