Home / 299,131.13-412,953.30-230,995.15

Finding the Fourth Proportional to 299,131.13, 412,953.30 and 230,995.15

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Solution

The fourth proportional to 299,131.13, 412,953.30 and 230,995.15 is: 318,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,131.13 : 412,953.30 = 230,995.15 : x
  2. Step 2: Convert to fraction form
    299,131.13/412,953.30 = 230,995.15/x
  3. Step 3: Cross multiply
    299,131.13x = 412,953.30 × 230,995.15
  4. Step 4: Simplify right side
    299,131.13x = 95,390,208,444.11
  5. Step 5: Solve for x
    x = 95,390,208,444.11/299,131.13
  6. Step 6: Final answer
    x = 318,890.94

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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.