Home / 224,484.44-309,778.78-122,507.32

Finding the Fourth Proportional to 224,484.44, 309,778.78 and 122,507.32

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Solution

The fourth proportional to 224,484.44, 309,778.78 and 122,507.32 is: 169,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,484.44 : 309,778.78 = 122,507.32 : x
  2. Step 2: Convert to fraction form
    224,484.44/309,778.78 = 122,507.32/x
  3. Step 3: Cross multiply
    224,484.44x = 309,778.78 × 122,507.32
  4. Step 4: Simplify right side
    224,484.44x = 37,950,168,130.67
  5. Step 5: Solve for x
    x = 37,950,168,130.67/224,484.44
  6. Step 6: Final answer
    x = 169,054.78

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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.