Home / 370,848.62-511,781.15-209,727.76

Finding the Fourth Proportional to 370,848.62, 511,781.15 and 209,727.76

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Solution

The fourth proportional to 370,848.62, 511,781.15 and 209,727.76 is: 289,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,848.62 : 511,781.15 = 209,727.76 : x
  2. Step 2: Convert to fraction form
    370,848.62/511,781.15 = 209,727.76/x
  3. Step 3: Cross multiply
    370,848.62x = 511,781.15 × 209,727.76
  4. Step 4: Simplify right side
    370,848.62x = 107,334,714,199.72
  5. Step 5: Solve for x
    x = 107,334,714,199.72/370,848.62
  6. Step 6: Final answer
    x = 289,430.00

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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.