Home / 290,567.22-436,506.96-172,316.13

Finding the Fourth Proportional to 290,567.22, 436,506.96 and 172,316.13

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Solution

The fourth proportional to 290,567.22, 436,506.96 and 172,316.13 is: 258,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,567.22 : 436,506.96 = 172,316.13 : x
  2. Step 2: Convert to fraction form
    290,567.22/436,506.96 = 172,316.13/x
  3. Step 3: Cross multiply
    290,567.22x = 436,506.96 × 172,316.13
  4. Step 4: Simplify right side
    290,567.22x = 75,217,190,065.26
  5. Step 5: Solve for x
    x = 75,217,190,065.26/290,567.22
  6. Step 6: Final answer
    x = 258,863.30

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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.