Home / 370,641.29-511,439.27-263,172.11

Finding the Fourth Proportional to 370,641.29, 511,439.27 and 263,172.11

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Solution

The fourth proportional to 370,641.29, 511,439.27 and 263,172.11 is: 363,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,641.29 : 511,439.27 = 263,172.11 : x
  2. Step 2: Convert to fraction form
    370,641.29/511,439.27 = 263,172.11/x
  3. Step 3: Cross multiply
    370,641.29x = 511,439.27 × 263,172.11
  4. Step 4: Simplify right side
    370,641.29x = 134,596,547,949.70
  5. Step 5: Solve for x
    x = 134,596,547,949.70/370,641.29
  6. Step 6: Final answer
    x = 363,145.05

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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.