Home / 292,586.04-438,593.40-142,820.28

Finding the Fourth Proportional to 292,586.04, 438,593.40 and 142,820.28

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Solution

The fourth proportional to 292,586.04, 438,593.40 and 142,820.28 is: 214,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,586.04 : 438,593.40 = 142,820.28 : x
  2. Step 2: Convert to fraction form
    292,586.04/438,593.40 = 142,820.28/x
  3. Step 3: Cross multiply
    292,586.04x = 438,593.40 × 142,820.28
  4. Step 4: Simplify right side
    292,586.04x = 62,640,032,194.15
  5. Step 5: Solve for x
    x = 62,640,032,194.15/292,586.04
  6. Step 6: Final answer
    x = 214,090.98

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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.