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Finding the Fourth Proportional to 245,567.70, 338,681.25 and 144,868.50

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Solution

The fourth proportional to 245,567.70, 338,681.25 and 144,868.50 is: 199,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,567.70 : 338,681.25 = 144,868.50 : x
  2. Step 2: Convert to fraction form
    245,567.70/338,681.25 = 144,868.50/x
  3. Step 3: Cross multiply
    245,567.70x = 338,681.25 × 144,868.50
  4. Step 4: Simplify right side
    245,567.70x = 49,064,244,665.63
  5. Step 5: Solve for x
    x = 49,064,244,665.63/245,567.70
  6. Step 6: Final answer
    x = 199,799.26

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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.