Home / 279,538.12-385,711.34-164,852.74

Finding the Fourth Proportional to 279,538.12, 385,711.34 and 164,852.74

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Solution

The fourth proportional to 279,538.12, 385,711.34 and 164,852.74 is: 227,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,538.12 : 385,711.34 = 164,852.74 : x
  2. Step 2: Convert to fraction form
    279,538.12/385,711.34 = 164,852.74/x
  3. Step 3: Cross multiply
    279,538.12x = 385,711.34 × 164,852.74
  4. Step 4: Simplify right side
    279,538.12x = 63,585,571,248.07
  5. Step 5: Solve for x
    x = 63,585,571,248.07/279,538.12
  6. Step 6: Final answer
    x = 227,466.55

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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.