Home / 352,360.48-486,225.36-209,095.84

Finding the Fourth Proportional to 352,360.48, 486,225.36 and 209,095.84

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Solution

The fourth proportional to 352,360.48, 486,225.36 and 209,095.84 is: 288,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,360.48 : 486,225.36 = 209,095.84 : x
  2. Step 2: Convert to fraction form
    352,360.48/486,225.36 = 209,095.84/x
  3. Step 3: Cross multiply
    352,360.48x = 486,225.36 × 209,095.84
  4. Step 4: Simplify right side
    352,360.48x = 101,667,700,078.50
  5. Step 5: Solve for x
    x = 101,667,700,078.50/352,360.48
  6. Step 6: Final answer
    x = 288,533.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.