Home / 268,011.13-369,828.13-160,578.40

Finding the Fourth Proportional to 268,011.13, 369,828.13 and 160,578.40

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Solution

The fourth proportional to 268,011.13, 369,828.13 and 160,578.40 is: 221,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,011.13 : 369,828.13 = 160,578.40 : x
  2. Step 2: Convert to fraction form
    268,011.13/369,828.13 = 160,578.40/x
  3. Step 3: Cross multiply
    268,011.13x = 369,828.13 × 160,578.40
  4. Step 4: Simplify right side
    268,011.13x = 59,386,409,058.89
  5. Step 5: Solve for x
    x = 59,386,409,058.89/268,011.13
  6. Step 6: Final answer
    x = 221,581.88

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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.