Home / 278,615.24-417,553.80-246,876.40

Finding the Fourth Proportional to 278,615.24, 417,553.80 and 246,876.40

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Solution

The fourth proportional to 278,615.24, 417,553.80 and 246,876.40 is: 369,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,615.24 : 417,553.80 = 246,876.40 : x
  2. Step 2: Convert to fraction form
    278,615.24/417,553.80 = 246,876.40/x
  3. Step 3: Cross multiply
    278,615.24x = 417,553.80 × 246,876.40
  4. Step 4: Simplify right side
    278,615.24x = 103,084,178,950.32
  5. Step 5: Solve for x
    x = 103,084,178,950.32/278,615.24
  6. Step 6: Final answer
    x = 369,987.58

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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.