Home / 278,215.32-383,795.79-176,068.62

Finding the Fourth Proportional to 278,215.32, 383,795.79 and 176,068.62

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Solution

The fourth proportional to 278,215.32, 383,795.79 and 176,068.62 is: 242,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,215.32 : 383,795.79 = 176,068.62 : x
  2. Step 2: Convert to fraction form
    278,215.32/383,795.79 = 176,068.62/x
  3. Step 3: Cross multiply
    278,215.32x = 383,795.79 × 176,068.62
  4. Step 4: Simplify right side
    278,215.32x = 67,574,395,107.11
  5. Step 5: Solve for x
    x = 67,574,395,107.11/278,215.32
  6. Step 6: Final answer
    x = 242,885.24

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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.