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Finding the Fourth Proportional to 249,707.90, 373,897.58 and 195,128.61

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Solution

The fourth proportional to 249,707.90, 373,897.58 and 195,128.61 is: 292,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,707.90 : 373,897.58 = 195,128.61 : x
  2. Step 2: Convert to fraction form
    249,707.90/373,897.58 = 195,128.61/x
  3. Step 3: Cross multiply
    249,707.90x = 373,897.58 × 195,128.61
  4. Step 4: Simplify right side
    249,707.90x = 72,958,114,092.12
  5. Step 5: Solve for x
    x = 72,958,114,092.12/249,707.90
  6. Step 6: Final answer
    x = 292,173.84

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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.