Home / 224,427.78-309,822.57-139,572.18

Finding the Fourth Proportional to 224,427.78, 309,822.57 and 139,572.18

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Solution

The fourth proportional to 224,427.78, 309,822.57 and 139,572.18 is: 192,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,427.78 : 309,822.57 = 139,572.18 : x
  2. Step 2: Convert to fraction form
    224,427.78/309,822.57 = 139,572.18/x
  3. Step 3: Cross multiply
    224,427.78x = 309,822.57 × 139,572.18
  4. Step 4: Simplify right side
    224,427.78x = 43,242,611,508.10
  5. Step 5: Solve for x
    x = 43,242,611,508.10/224,427.78
  6. Step 6: Final answer
    x = 192,679.41

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1.5x scale

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.