Home / 246,478.47-369,680.69-77,976.89

Finding the Fourth Proportional to 246,478.47, 369,680.69 and 77,976.89

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Solution

The fourth proportional to 246,478.47, 369,680.69 and 77,976.89 is: 116,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,478.47 : 369,680.69 = 77,976.89 : x
  2. Step 2: Convert to fraction form
    246,478.47/369,680.69 = 77,976.89/x
  3. Step 3: Cross multiply
    246,478.47x = 369,680.69 × 77,976.89
  4. Step 4: Simplify right side
    246,478.47x = 28,826,552,311.55
  5. Step 5: Solve for x
    x = 28,826,552,311.55/246,478.47
  6. Step 6: Final answer
    x = 116,953.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.