Home / 313,749.69-432,977.91-170,509.73

Finding the Fourth Proportional to 313,749.69, 432,977.91 and 170,509.73

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Solution

The fourth proportional to 313,749.69, 432,977.91 and 170,509.73 is: 235,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,749.69 : 432,977.91 = 170,509.73 : x
  2. Step 2: Convert to fraction form
    313,749.69/432,977.91 = 170,509.73/x
  3. Step 3: Cross multiply
    313,749.69x = 432,977.91 × 170,509.73
  4. Step 4: Simplify right side
    313,749.69x = 73,826,943,725.76
  5. Step 5: Solve for x
    x = 73,826,943,725.76/313,749.69
  6. Step 6: Final answer
    x = 235,305.24

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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.