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Finding the Fourth Proportional to 249,038.88, 343,672 and 141,608.88

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Solution

The fourth proportional to 249,038.88, 343,672 and 141,608.88 is: 195,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,038.88 : 343,672 = 141,608.88 : x
  2. Step 2: Convert to fraction form
    249,038.88/343,672 = 141,608.88/x
  3. Step 3: Cross multiply
    249,038.88x = 343,672 × 141,608.88
  4. Step 4: Simplify right side
    249,038.88x = 48,667,007,007.36
  5. Step 5: Solve for x
    x = 48,667,007,007.36/249,038.88
  6. Step 6: Final answer
    x = 195,419.31

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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.