Home / 350,176.64-525,429-172,586.84

Finding the Fourth Proportional to 350,176.64, 525,429 and 172,586.84

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Solution

The fourth proportional to 350,176.64, 525,429 and 172,586.84 is: 258,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,176.64 : 525,429 = 172,586.84 : x
  2. Step 2: Convert to fraction form
    350,176.64/525,429 = 172,586.84/x
  3. Step 3: Cross multiply
    350,176.64x = 525,429 × 172,586.84
  4. Step 4: Simplify right side
    350,176.64x = 90,682,130,754.36
  5. Step 5: Solve for x
    x = 90,682,130,754.36/350,176.64
  6. Step 6: Final answer
    x = 258,961.11

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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.