Home / 249,918.38-344,878.79-142,522.98

Finding the Fourth Proportional to 249,918.38, 344,878.79 and 142,522.98

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Solution

The fourth proportional to 249,918.38, 344,878.79 and 142,522.98 is: 196,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,918.38 : 344,878.79 = 142,522.98 : x
  2. Step 2: Convert to fraction form
    249,918.38/344,878.79 = 142,522.98/x
  3. Step 3: Cross multiply
    249,918.38x = 344,878.79 × 142,522.98
  4. Step 4: Simplify right side
    249,918.38x = 49,153,152,176.98
  5. Step 5: Solve for x
    x = 49,153,152,176.98/249,918.38
  6. Step 6: Final answer
    x = 196,676.82

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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.