Home / 292,189.95-438,301.53-81,844.29

Finding the Fourth Proportional to 292,189.95, 438,301.53 and 81,844.29

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Solution

The fourth proportional to 292,189.95, 438,301.53 and 81,844.29 is: 122,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,189.95 : 438,301.53 = 81,844.29 : x
  2. Step 2: Convert to fraction form
    292,189.95/438,301.53 = 81,844.29/x
  3. Step 3: Cross multiply
    292,189.95x = 438,301.53 × 81,844.29
  4. Step 4: Simplify right side
    292,189.95x = 35,872,477,528.76
  5. Step 5: Solve for x
    x = 35,872,477,528.76/292,189.95
  6. Step 6: Final answer
    x = 122,771.09

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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.