Home / 249,916.80-374,875.20-144,940.80

Finding the Fourth Proportional to 249,916.80, 374,875.20 and 144,940.80

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Solution

The fourth proportional to 249,916.80, 374,875.20 and 144,940.80 is: 217,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,916.80 : 374,875.20 = 144,940.80 : x
  2. Step 2: Convert to fraction form
    249,916.80/374,875.20 = 144,940.80/x
  3. Step 3: Cross multiply
    249,916.80x = 374,875.20 × 144,940.80
  4. Step 4: Simplify right side
    249,916.80x = 54,334,711,388.16
  5. Step 5: Solve for x
    x = 54,334,711,388.16/249,916.80
  6. Step 6: Final answer
    x = 217,411.20

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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.