Home / 248,066.55-371,804.45-172,779.21

Finding the Fourth Proportional to 248,066.55, 371,804.45 and 172,779.21

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Solution

The fourth proportional to 248,066.55, 371,804.45 and 172,779.21 is: 258,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,066.55 : 371,804.45 = 172,779.21 : x
  2. Step 2: Convert to fraction form
    248,066.55/371,804.45 = 172,779.21/x
  3. Step 3: Cross multiply
    248,066.55x = 371,804.45 × 172,779.21
  4. Step 4: Simplify right side
    248,066.55x = 64,240,078,281.59
  5. Step 5: Solve for x
    x = 64,240,078,281.59/248,066.55
  6. Step 6: Final answer
    x = 258,963.08

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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.