Home / 248,200.10-372,300.15-153,721.70

Finding the Fourth Proportional to 248,200.10, 372,300.15 and 153,721.70

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Solution

The fourth proportional to 248,200.10, 372,300.15 and 153,721.70 is: 230,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,200.10 : 372,300.15 = 153,721.70 : x
  2. Step 2: Convert to fraction form
    248,200.10/372,300.15 = 153,721.70/x
  3. Step 3: Cross multiply
    248,200.10x = 372,300.15 × 153,721.70
  4. Step 4: Simplify right side
    248,200.10x = 57,230,611,968.26
  5. Step 5: Solve for x
    x = 57,230,611,968.26/248,200.10
  6. Step 6: Final answer
    x = 230,582.55

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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.