Home / 249,921.20-374,428.20-144,426.80

Finding the Fourth Proportional to 249,921.20, 374,428.20 and 144,426.80

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Solution

The fourth proportional to 249,921.20, 374,428.20 and 144,426.80 is: 216,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,921.20 : 374,428.20 = 144,426.80 : x
  2. Step 2: Convert to fraction form
    249,921.20/374,428.20 = 144,426.80/x
  3. Step 3: Cross multiply
    249,921.20x = 374,428.20 × 144,426.80
  4. Step 4: Simplify right side
    249,921.20x = 54,077,466,755.76
  5. Step 5: Solve for x
    x = 54,077,466,755.76/249,921.20
  6. Step 6: Final answer
    x = 216,378.07

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1.5x scale

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.