Home / 350,162.05-525,407.09-172,572.18

Finding the Fourth Proportional to 350,162.05, 525,407.09 and 172,572.18

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Solution

The fourth proportional to 350,162.05, 525,407.09 and 172,572.18 is: 258,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,162.05 : 525,407.09 = 172,572.18 : x
  2. Step 2: Convert to fraction form
    350,162.05/525,407.09 = 172,572.18/x
  3. Step 3: Cross multiply
    350,162.05x = 525,407.09 × 172,572.18
  4. Step 4: Simplify right side
    350,162.05x = 90,670,646,908.76
  5. Step 5: Solve for x
    x = 90,670,646,908.76/350,162.05
  6. Step 6: Final answer
    x = 258,939.10

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1.5x scale

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.