Home / 292,143.16-403,339.91-224,029.04

Finding the Fourth Proportional to 292,143.16, 403,339.91 and 224,029.04

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Solution

The fourth proportional to 292,143.16, 403,339.91 and 224,029.04 is: 309,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,143.16 : 403,339.91 = 224,029.04 : x
  2. Step 2: Convert to fraction form
    292,143.16/403,339.91 = 224,029.04/x
  3. Step 3: Cross multiply
    292,143.16x = 403,339.91 × 224,029.04
  4. Step 4: Simplify right side
    292,143.16x = 90,359,851,962.93
  5. Step 5: Solve for x
    x = 90,359,851,962.93/292,143.16
  6. Step 6: Final answer
    x = 309,299.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.