Home / 292,152.36-438,254.04-81,790.94

Finding the Fourth Proportional to 292,152.36, 438,254.04 and 81,790.94

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Solution

The fourth proportional to 292,152.36, 438,254.04 and 81,790.94 is: 122,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,152.36 : 438,254.04 = 81,790.94 : x
  2. Step 2: Convert to fraction form
    292,152.36/438,254.04 = 81,790.94/x
  3. Step 3: Cross multiply
    292,152.36x = 438,254.04 × 81,790.94
  4. Step 4: Simplify right side
    292,152.36x = 35,845,209,890.40
  5. Step 5: Solve for x
    x = 35,845,209,890.40/292,152.36
  6. Step 6: Final answer
    x = 122,693.55

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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.