Home / 317,309.64-437,854.86-189,981.96

Finding the Fourth Proportional to 317,309.64, 437,854.86 and 189,981.96

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Solution

The fourth proportional to 317,309.64, 437,854.86 and 189,981.96 is: 262,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,309.64 : 437,854.86 = 189,981.96 : x
  2. Step 2: Convert to fraction form
    317,309.64/437,854.86 = 189,981.96/x
  3. Step 3: Cross multiply
    317,309.64x = 437,854.86 × 189,981.96
  4. Step 4: Simplify right side
    317,309.64x = 83,184,524,498.33
  5. Step 5: Solve for x
    x = 83,184,524,498.33/317,309.64
  6. Step 6: Final answer
    x = 262,155.68

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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.