Home / 279,331.32-385,518.75-164,573.29

Finding the Fourth Proportional to 279,331.32, 385,518.75 and 164,573.29

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Solution

The fourth proportional to 279,331.32, 385,518.75 and 164,573.29 is: 227,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,331.32 : 385,518.75 = 164,573.29 : x
  2. Step 2: Convert to fraction form
    279,331.32/385,518.75 = 164,573.29/x
  3. Step 3: Cross multiply
    279,331.32x = 385,518.75 × 164,573.29
  4. Step 4: Simplify right side
    279,331.32x = 63,446,088,080.39
  5. Step 5: Solve for x
    x = 63,446,088,080.39/279,331.32
  6. Step 6: Final answer
    x = 227,135.60

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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.