Home / 292,347.06-438,167.42-142,362.60

Finding the Fourth Proportional to 292,347.06, 438,167.42 and 142,362.60

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Solution

The fourth proportional to 292,347.06, 438,167.42 and 142,362.60 is: 213,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,347.06 : 438,167.42 = 142,362.60 : x
  2. Step 2: Convert to fraction form
    292,347.06/438,167.42 = 142,362.60/x
  3. Step 3: Cross multiply
    292,347.06x = 438,167.42 × 142,362.60
  4. Step 4: Simplify right side
    292,347.06x = 62,378,653,146.49
  5. Step 5: Solve for x
    x = 62,378,653,146.49/292,347.06
  6. Step 6: Final answer
    x = 213,371.92

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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.