Home / 292,530.04-438,812.04-82,184.36

Finding the Fourth Proportional to 292,530.04, 438,812.04 and 82,184.36

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Solution

The fourth proportional to 292,530.04, 438,812.04 and 82,184.36 is: 123,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,530.04 : 438,812.04 = 82,184.36 : x
  2. Step 2: Convert to fraction form
    292,530.04/438,812.04 = 82,184.36/x
  3. Step 3: Cross multiply
    292,530.04x = 438,812.04 × 82,184.36
  4. Step 4: Simplify right side
    292,530.04x = 36,063,486,667.69
  5. Step 5: Solve for x
    x = 36,063,486,667.69/292,530.04
  6. Step 6: Final answer
    x = 123,281.31

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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.