Home / 268,765.29-370,898.91-154,041.48

Finding the Fourth Proportional to 268,765.29, 370,898.91 and 154,041.48

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Solution

The fourth proportional to 268,765.29, 370,898.91 and 154,041.48 is: 212,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,765.29 : 370,898.91 = 154,041.48 : x
  2. Step 2: Convert to fraction form
    268,765.29/370,898.91 = 154,041.48/x
  3. Step 3: Cross multiply
    268,765.29x = 370,898.91 × 154,041.48
  4. Step 4: Simplify right side
    268,765.29x = 57,133,817,026.79
  5. Step 5: Solve for x
    x = 57,133,817,026.79/268,765.29
  6. Step 6: Final answer
    x = 212,578.85

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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.