Home / 279,354.69-385,502.09-152,027.55

Finding the Fourth Proportional to 279,354.69, 385,502.09 and 152,027.55

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Solution

The fourth proportional to 279,354.69, 385,502.09 and 152,027.55 is: 209,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,354.69 : 385,502.09 = 152,027.55 : x
  2. Step 2: Convert to fraction form
    279,354.69/385,502.09 = 152,027.55/x
  3. Step 3: Cross multiply
    279,354.69x = 385,502.09 × 152,027.55
  4. Step 4: Simplify right side
    279,354.69x = 58,606,937,502.44
  5. Step 5: Solve for x
    x = 58,606,937,502.44/279,354.69
  6. Step 6: Final answer
    x = 209,794.00

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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.