Home / 370,530.96-511,265.40-207,190.42

Finding the Fourth Proportional to 370,530.96, 511,265.40 and 207,190.42

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Solution

The fourth proportional to 370,530.96, 511,265.40 and 207,190.42 is: 285,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,530.96 : 511,265.40 = 207,190.42 : x
  2. Step 2: Convert to fraction form
    370,530.96/511,265.40 = 207,190.42/x
  3. Step 3: Cross multiply
    370,530.96x = 511,265.40 × 207,190.42
  4. Step 4: Simplify right side
    370,530.96x = 105,929,292,957.47
  5. Step 5: Solve for x
    x = 105,929,292,957.47/370,530.96
  6. Step 6: Final answer
    x = 285,885.13

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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.