Home / 356,026.08-491,312.10-203,060.31

Finding the Fourth Proportional to 356,026.08, 491,312.10 and 203,060.31

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Solution

The fourth proportional to 356,026.08, 491,312.10 and 203,060.31 is: 280,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,026.08 : 491,312.10 = 203,060.31 : x
  2. Step 2: Convert to fraction form
    356,026.08/491,312.10 = 203,060.31/x
  3. Step 3: Cross multiply
    356,026.08x = 491,312.10 × 203,060.31
  4. Step 4: Simplify right side
    356,026.08x = 99,765,987,332.75
  5. Step 5: Solve for x
    x = 99,765,987,332.75/356,026.08
  6. Step 6: Final answer
    x = 280,221.01

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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.