Home / 224,370.05-309,699.75-138,356.02

Finding the Fourth Proportional to 224,370.05, 309,699.75 and 138,356.02

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Solution

The fourth proportional to 224,370.05, 309,699.75 and 138,356.02 is: 190,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,370.05 : 309,699.75 = 138,356.02 : x
  2. Step 2: Convert to fraction form
    224,370.05/309,699.75 = 138,356.02/x
  3. Step 3: Cross multiply
    224,370.05x = 309,699.75 × 138,356.02
  4. Step 4: Simplify right side
    224,370.05x = 42,848,826,581.99
  5. Step 5: Solve for x
    x = 42,848,826,581.99/224,370.05
  6. Step 6: Final answer
    x = 190,973.91

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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.