Home / 370,848.12-511,780.46-209,727.26

Finding the Fourth Proportional to 370,848.12, 511,780.46 and 209,727.26

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Solution

The fourth proportional to 370,848.12, 511,780.46 and 209,727.26 is: 289,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,848.12 : 511,780.46 = 209,727.26 : x
  2. Step 2: Convert to fraction form
    370,848.12/511,780.46 = 209,727.26/x
  3. Step 3: Cross multiply
    370,848.12x = 511,780.46 × 209,727.26
  4. Step 4: Simplify right side
    370,848.12x = 107,334,313,597.34
  5. Step 5: Solve for x
    x = 107,334,313,597.34/370,848.12
  6. Step 6: Final answer
    x = 289,429.31

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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.