Home / 370,848.74-511,781.33-209,727.89

Finding the Fourth Proportional to 370,848.74, 511,781.33 and 209,727.89

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Solution

The fourth proportional to 370,848.74, 511,781.33 and 209,727.89 is: 289,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,848.74 : 511,781.33 = 209,727.89 : x
  2. Step 2: Convert to fraction form
    370,848.74/511,781.33 = 209,727.89/x
  3. Step 3: Cross multiply
    370,848.74x = 511,781.33 × 209,727.89
  4. Step 4: Simplify right side
    370,848.74x = 107,334,814,874.75
  5. Step 5: Solve for x
    x = 107,334,814,874.75/370,848.74
  6. Step 6: Final answer
    x = 289,430.17

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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.