Home / 350,631.60-525,601.80-172,993.20

Finding the Fourth Proportional to 350,631.60, 525,601.80 and 172,993.20

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Solution

The fourth proportional to 350,631.60, 525,601.80 and 172,993.20 is: 259,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,631.60 : 525,601.80 = 172,993.20 : x
  2. Step 2: Convert to fraction form
    350,631.60/525,601.80 = 172,993.20/x
  3. Step 3: Cross multiply
    350,631.60x = 525,601.80 × 172,993.20
  4. Step 4: Simplify right side
    350,631.60x = 90,925,537,307.76
  5. Step 5: Solve for x
    x = 90,925,537,307.76/350,631.60
  6. Step 6: Final answer
    x = 259,319.29

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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.