Home / 326,085.10-489,127.65-214,110.70

Finding the Fourth Proportional to 326,085.10, 489,127.65 and 214,110.70

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Solution

The fourth proportional to 326,085.10, 489,127.65 and 214,110.70 is: 321,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,085.10 : 489,127.65 = 214,110.70 : x
  2. Step 2: Convert to fraction form
    326,085.10/489,127.65 = 214,110.70/x
  3. Step 3: Cross multiply
    326,085.10x = 489,127.65 × 214,110.70
  4. Step 4: Simplify right side
    326,085.10x = 104,727,463,530.86
  5. Step 5: Solve for x
    x = 104,727,463,530.86/326,085.10
  6. Step 6: Final answer
    x = 321,166.05

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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.