Home / 370,725.96-511,596.40-209,575.68

Finding the Fourth Proportional to 370,725.96, 511,596.40 and 209,575.68

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Solution

The fourth proportional to 370,725.96, 511,596.40 and 209,575.68 is: 289,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,725.96 : 511,596.40 = 209,575.68 : x
  2. Step 2: Convert to fraction form
    370,725.96/511,596.40 = 209,575.68/x
  3. Step 3: Cross multiply
    370,725.96x = 511,596.40 × 209,575.68
  4. Step 4: Simplify right side
    370,725.96x = 107,218,163,415.55
  5. Step 5: Solve for x
    x = 107,218,163,415.55/370,725.96
  6. Step 6: Final answer
    x = 289,211.37

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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.