Home / 249,628.86-344,490.12-142,197.30

Finding the Fourth Proportional to 249,628.86, 344,490.12 and 142,197.30

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Solution

The fourth proportional to 249,628.86, 344,490.12 and 142,197.30 is: 196,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,628.86 : 344,490.12 = 142,197.30 : x
  2. Step 2: Convert to fraction form
    249,628.86/344,490.12 = 142,197.30/x
  3. Step 3: Cross multiply
    249,628.86x = 344,490.12 × 142,197.30
  4. Step 4: Simplify right side
    249,628.86x = 48,985,564,940.68
  5. Step 5: Solve for x
    x = 48,985,564,940.68/249,628.86
  6. Step 6: Final answer
    x = 196,233.58

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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.