Home / 320,344.75-442,002.27-191,258.07

Finding the Fourth Proportional to 320,344.75, 442,002.27 and 191,258.07

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Solution

The fourth proportional to 320,344.75, 442,002.27 and 191,258.07 is: 263,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,344.75 : 442,002.27 = 191,258.07 : x
  2. Step 2: Convert to fraction form
    320,344.75/442,002.27 = 191,258.07/x
  3. Step 3: Cross multiply
    320,344.75x = 442,002.27 × 191,258.07
  4. Step 4: Simplify right side
    320,344.75x = 84,536,501,095.82
  5. Step 5: Solve for x
    x = 84,536,501,095.82/320,344.75
  6. Step 6: Final answer
    x = 263,892.26

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1.5x scale

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.