Home / 248,071.22-371,811.58-172,783.76

Finding the Fourth Proportional to 248,071.22, 371,811.58 and 172,783.76

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Solution

The fourth proportional to 248,071.22, 371,811.58 and 172,783.76 is: 258,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,071.22 : 371,811.58 = 172,783.76 : x
  2. Step 2: Convert to fraction form
    248,071.22/371,811.58 = 172,783.76/x
  3. Step 3: Cross multiply
    248,071.22x = 371,811.58 × 172,783.76
  4. Step 4: Simplify right side
    248,071.22x = 64,243,002,803.94
  5. Step 5: Solve for x
    x = 64,243,002,803.94/248,071.22
  6. Step 6: Final answer
    x = 258,970.00

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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.