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Finding the Fourth Proportional to 224,549.74, 309,870.90 and 133,858.90

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Solution

The fourth proportional to 224,549.74, 309,870.90 and 133,858.90 is: 184,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,549.74 : 309,870.90 = 133,858.90 : x
  2. Step 2: Convert to fraction form
    224,549.74/309,870.90 = 133,858.90/x
  3. Step 3: Cross multiply
    224,549.74x = 309,870.90 × 133,858.90
  4. Step 4: Simplify right side
    224,549.74x = 41,478,977,816.01
  5. Step 5: Solve for x
    x = 41,478,977,816.01/224,549.74
  6. Step 6: Final answer
    x = 184,720.67

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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.