Home / 279,278.07-385,396.16-151,950.93

Finding the Fourth Proportional to 279,278.07, 385,396.16 and 151,950.93

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Solution

The fourth proportional to 279,278.07, 385,396.16 and 151,950.93 is: 209,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,278.07 : 385,396.16 = 151,950.93 : x
  2. Step 2: Convert to fraction form
    279,278.07/385,396.16 = 151,950.93/x
  3. Step 3: Cross multiply
    279,278.07x = 385,396.16 × 151,950.93
  4. Step 4: Simplify right side
    279,278.07x = 58,561,304,170.67
  5. Step 5: Solve for x
    x = 58,561,304,170.67/279,278.07
  6. Step 6: Final answer
    x = 209,688.16

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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.