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Finding the Fourth Proportional to 225,457.40, 336,421.90 and 224,145.20

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Solution

The fourth proportional to 225,457.40, 336,421.90 and 224,145.20 is: 334,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,457.40 : 336,421.90 = 224,145.20 : x
  2. Step 2: Convert to fraction form
    225,457.40/336,421.90 = 224,145.20/x
  3. Step 3: Cross multiply
    225,457.40x = 336,421.90 × 224,145.20
  4. Step 4: Simplify right side
    225,457.40x = 75,407,354,059.88
  5. Step 5: Solve for x
    x = 75,407,354,059.88/225,457.40
  6. Step 6: Final answer
    x = 334,463.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.