Home / 268,785.21-370,916.13-152,519.85

Finding the Fourth Proportional to 268,785.21, 370,916.13 and 152,519.85

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Solution

The fourth proportional to 268,785.21, 370,916.13 and 152,519.85 is: 210,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,785.21 : 370,916.13 = 152,519.85 : x
  2. Step 2: Convert to fraction form
    268,785.21/370,916.13 = 152,519.85/x
  3. Step 3: Cross multiply
    268,785.21x = 370,916.13 × 152,519.85
  4. Step 4: Simplify right side
    268,785.21x = 56,572,071,747.58
  5. Step 5: Solve for x
    x = 56,572,071,747.58/268,785.21
  6. Step 6: Final answer
    x = 210,473.16

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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.