Home / 278,060.72-383,670.32-176,014.40

Finding the Fourth Proportional to 278,060.72, 383,670.32 and 176,014.40

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Solution

The fourth proportional to 278,060.72, 383,670.32 and 176,014.40 is: 242,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,060.72 : 383,670.32 = 176,014.40 : x
  2. Step 2: Convert to fraction form
    278,060.72/383,670.32 = 176,014.40/x
  3. Step 3: Cross multiply
    278,060.72x = 383,670.32 × 176,014.40
  4. Step 4: Simplify right side
    278,060.72x = 67,531,501,172.61
  5. Step 5: Solve for x
    x = 67,531,501,172.61/278,060.72
  6. Step 6: Final answer
    x = 242,866.02

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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.