Home / 304,709.85-457,137.68-127,118.16

Finding the Fourth Proportional to 304,709.85, 457,137.68 and 127,118.16

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Solution

The fourth proportional to 304,709.85, 457,137.68 and 127,118.16 is: 190,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,709.85 : 457,137.68 = 127,118.16 : x
  2. Step 2: Convert to fraction form
    304,709.85/457,137.68 = 127,118.16/x
  3. Step 3: Cross multiply
    304,709.85x = 457,137.68 × 127,118.16
  4. Step 4: Simplify right side
    304,709.85x = 58,110,500,112.68
  5. Step 5: Solve for x
    x = 58,110,500,112.68/304,709.85
  6. Step 6: Final answer
    x = 190,707.65

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1.5x scale

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.