Home / 249,821.02-344,744.28-142,425.64

Finding the Fourth Proportional to 249,821.02, 344,744.28 and 142,425.64

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Solution

The fourth proportional to 249,821.02, 344,744.28 and 142,425.64 is: 196,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,821.02 : 344,744.28 = 142,425.64 : x
  2. Step 2: Convert to fraction form
    249,821.02/344,744.28 = 142,425.64/x
  3. Step 3: Cross multiply
    249,821.02x = 344,744.28 × 142,425.64
  4. Step 4: Simplify right side
    249,821.02x = 49,100,424,715.34
  5. Step 5: Solve for x
    x = 49,100,424,715.34/249,821.02
  6. Step 6: Final answer
    x = 196,542.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.