Home / 279,606.36-385,861.14-152,281.83

Finding the Fourth Proportional to 279,606.36, 385,861.14 and 152,281.83

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Solution

The fourth proportional to 279,606.36, 385,861.14 and 152,281.83 is: 210,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,606.36 : 385,861.14 = 152,281.83 : x
  2. Step 2: Convert to fraction form
    279,606.36/385,861.14 = 152,281.83/x
  3. Step 3: Cross multiply
    279,606.36x = 385,861.14 × 152,281.83
  4. Step 4: Simplify right side
    279,606.36x = 58,759,640,525.09
  5. Step 5: Solve for x
    x = 58,759,640,525.09/279,606.36
  6. Step 6: Final answer
    x = 210,151.30

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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.