Home / 248,305.20-372,457.80-148,772.40

Finding the Fourth Proportional to 248,305.20, 372,457.80 and 148,772.40

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Solution

The fourth proportional to 248,305.20, 372,457.80 and 148,772.40 is: 223,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,305.20 : 372,457.80 = 148,772.40 : x
  2. Step 2: Convert to fraction form
    248,305.20/372,457.80 = 148,772.40/x
  3. Step 3: Cross multiply
    248,305.20x = 372,457.80 × 148,772.40
  4. Step 4: Simplify right side
    248,305.20x = 55,411,440,804.72
  5. Step 5: Solve for x
    x = 55,411,440,804.72/248,305.20
  6. Step 6: Final answer
    x = 223,158.60

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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.