Home / 279,396.95-385,567.49-152,072.24

Finding the Fourth Proportional to 279,396.95, 385,567.49 and 152,072.24

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Solution

The fourth proportional to 279,396.95, 385,567.49 and 152,072.24 is: 209,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,396.95 : 385,567.49 = 152,072.24 : x
  2. Step 2: Convert to fraction form
    279,396.95/385,567.49 = 152,072.24/x
  3. Step 3: Cross multiply
    279,396.95x = 385,567.49 × 152,072.24
  4. Step 4: Simplify right side
    279,396.95x = 58,634,110,327.82
  5. Step 5: Solve for x
    x = 58,634,110,327.82/279,396.95
  6. Step 6: Final answer
    x = 209,859.53

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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.