Home / 292,621.25-438,931.87-82,259.18

Finding the Fourth Proportional to 292,621.25, 438,931.87 and 82,259.18

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Solution

The fourth proportional to 292,621.25, 438,931.87 and 82,259.18 is: 123,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,621.25 : 438,931.87 = 82,259.18 : x
  2. Step 2: Convert to fraction form
    292,621.25/438,931.87 = 82,259.18/x
  3. Step 3: Cross multiply
    292,621.25x = 438,931.87 × 82,259.18
  4. Step 4: Simplify right side
    292,621.25x = 36,106,175,702.07
  5. Step 5: Solve for x
    x = 36,106,175,702.07/292,621.25
  6. Step 6: Final answer
    x = 123,388.77

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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.