Home / 370,726.13-511,624.15-209,596.21

Finding the Fourth Proportional to 370,726.13, 511,624.15 and 209,596.21

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Solution

The fourth proportional to 370,726.13, 511,624.15 and 209,596.21 is: 289,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,726.13 : 511,624.15 = 209,596.21 : x
  2. Step 2: Convert to fraction form
    370,726.13/511,624.15 = 209,596.21/x
  3. Step 3: Cross multiply
    370,726.13x = 511,624.15 × 209,596.21
  4. Step 4: Simplify right side
    370,726.13x = 107,234,480,981.42
  5. Step 5: Solve for x
    x = 107,234,480,981.42/370,726.13
  6. Step 6: Final answer
    x = 289,255.25

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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.