Home / 292,621.60-438,422.10-134,525.80

Finding the Fourth Proportional to 292,621.60, 438,422.10 and 134,525.80

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Solution

The fourth proportional to 292,621.60, 438,422.10 and 134,525.80 is: 201,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,621.60 : 438,422.10 = 134,525.80 : x
  2. Step 2: Convert to fraction form
    292,621.60/438,422.10 = 134,525.80/x
  3. Step 3: Cross multiply
    292,621.60x = 438,422.10 × 134,525.80
  4. Step 4: Simplify right side
    292,621.60x = 58,979,083,740.18
  5. Step 5: Solve for x
    x = 58,979,083,740.18/292,621.60
  6. Step 6: Final answer
    x = 201,554.10

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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.