Home / 279,445.68-385,575.24-166,246.32

Finding the Fourth Proportional to 279,445.68, 385,575.24 and 166,246.32

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Solution

The fourth proportional to 279,445.68, 385,575.24 and 166,246.32 is: 229,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,445.68 : 385,575.24 = 166,246.32 : x
  2. Step 2: Convert to fraction form
    279,445.68/385,575.24 = 166,246.32/x
  3. Step 3: Cross multiply
    279,445.68x = 385,575.24 × 166,246.32
  4. Step 4: Simplify right side
    279,445.68x = 64,100,464,733.12
  5. Step 5: Solve for x
    x = 64,100,464,733.12/279,445.68
  6. Step 6: Final answer
    x = 229,384.35

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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.