Home / 352,245.16-528,575.10-130,784.68

Finding the Fourth Proportional to 352,245.16, 528,575.10 and 130,784.68

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Solution

The fourth proportional to 352,245.16, 528,575.10 and 130,784.68 is: 196,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,245.16 : 528,575.10 = 130,784.68 : x
  2. Step 2: Convert to fraction form
    352,245.16/528,575.10 = 130,784.68/x
  3. Step 3: Cross multiply
    352,245.16x = 528,575.10 × 130,784.68
  4. Step 4: Simplify right side
    352,245.16x = 69,129,525,309.47
  5. Step 5: Solve for x
    x = 69,129,525,309.47/352,245.16
  6. Step 6: Final answer
    x = 196,254.01

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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.