Home / 275,547.29-380,234.25-154,665.22

Finding the Fourth Proportional to 275,547.29, 380,234.25 and 154,665.22

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Solution

The fourth proportional to 275,547.29, 380,234.25 and 154,665.22 is: 213,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,547.29 : 380,234.25 = 154,665.22 : x
  2. Step 2: Convert to fraction form
    275,547.29/380,234.25 = 154,665.22/x
  3. Step 3: Cross multiply
    275,547.29x = 380,234.25 × 154,665.22
  4. Step 4: Simplify right side
    275,547.29x = 58,809,012,026.61
  5. Step 5: Solve for x
    x = 58,809,012,026.61/275,547.29
  6. Step 6: Final answer
    x = 213,426.21

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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.