Home / 310,612.03-427,586.79-229,887.43

Finding the Fourth Proportional to 310,612.03, 427,586.79 and 229,887.43

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Solution

The fourth proportional to 310,612.03, 427,586.79 and 229,887.43 is: 316,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,612.03 : 427,586.79 = 229,887.43 : x
  2. Step 2: Convert to fraction form
    310,612.03/427,586.79 = 229,887.43/x
  3. Step 3: Cross multiply
    310,612.03x = 427,586.79 × 229,887.43
  4. Step 4: Simplify right side
    310,612.03x = 98,296,828,255.05
  5. Step 5: Solve for x
    x = 98,296,828,255.05/310,612.03
  6. Step 6: Final answer
    x = 316,461.76

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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.