Home / 279,534.42-385,757.22-152,210.91

Finding the Fourth Proportional to 279,534.42, 385,757.22 and 152,210.91

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Solution

The fourth proportional to 279,534.42, 385,757.22 and 152,210.91 is: 210,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,534.42 : 385,757.22 = 152,210.91 : x
  2. Step 2: Convert to fraction form
    279,534.42/385,757.22 = 152,210.91/x
  3. Step 3: Cross multiply
    279,534.42x = 385,757.22 × 152,210.91
  4. Step 4: Simplify right side
    279,534.42x = 58,716,457,495.27
  5. Step 5: Solve for x
    x = 58,716,457,495.27/279,534.42
  6. Step 6: Final answer
    x = 210,050.90

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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.