Home / 370,371.72-511,154.45-209,237.14

Finding the Fourth Proportional to 370,371.72, 511,154.45 and 209,237.14

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Solution

The fourth proportional to 370,371.72, 511,154.45 and 209,237.14 is: 288,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,371.72 : 511,154.45 = 209,237.14 : x
  2. Step 2: Convert to fraction form
    370,371.72/511,154.45 = 209,237.14/x
  3. Step 3: Cross multiply
    370,371.72x = 511,154.45 × 209,237.14
  4. Step 4: Simplify right side
    370,371.72x = 106,952,495,216.27
  5. Step 5: Solve for x
    x = 106,952,495,216.27/370,371.72
  6. Step 6: Final answer
    x = 288,770.68

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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.