Home / 313,730.72-432,947.04-170,488.16

Finding the Fourth Proportional to 313,730.72, 432,947.04 and 170,488.16

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Solution

The fourth proportional to 313,730.72, 432,947.04 and 170,488.16 is: 235,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,730.72 : 432,947.04 = 170,488.16 : x
  2. Step 2: Convert to fraction form
    313,730.72/432,947.04 = 170,488.16/x
  3. Step 3: Cross multiply
    313,730.72x = 432,947.04 × 170,488.16
  4. Step 4: Simplify right side
    313,730.72x = 73,812,344,227.05
  5. Step 5: Solve for x
    x = 73,812,344,227.05/313,730.72
  6. Step 6: Final answer
    x = 235,272.93

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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.