Home / 350,147.60-524,875.80-172,509.20

Finding the Fourth Proportional to 350,147.60, 524,875.80 and 172,509.20

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Solution

The fourth proportional to 350,147.60, 524,875.80 and 172,509.20 is: 258,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,147.60 : 524,875.80 = 172,509.20 : x
  2. Step 2: Convert to fraction form
    350,147.60/524,875.80 = 172,509.20/x
  3. Step 3: Cross multiply
    350,147.60x = 524,875.80 × 172,509.20
  4. Step 4: Simplify right side
    350,147.60x = 90,545,904,357.36
  5. Step 5: Solve for x
    x = 90,545,904,357.36/350,147.60
  6. Step 6: Final answer
    x = 258,593.53

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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.