Home / 248,006.80-371,981.40-70,541.20

Finding the Fourth Proportional to 248,006.80, 371,981.40 and 70,541.20

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Solution

The fourth proportional to 248,006.80, 371,981.40 and 70,541.20 is: 105,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,006.80 : 371,981.40 = 70,541.20 : x
  2. Step 2: Convert to fraction form
    248,006.80/371,981.40 = 70,541.20/x
  3. Step 3: Cross multiply
    248,006.80x = 371,981.40 × 70,541.20
  4. Step 4: Simplify right side
    248,006.80x = 26,240,014,333.68
  5. Step 5: Solve for x
    x = 26,240,014,333.68/248,006.80
  6. Step 6: Final answer
    x = 105,803.61

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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.