Home / 313,567.15-432,730.71-170,335.39

Finding the Fourth Proportional to 313,567.15, 432,730.71 and 170,335.39

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Solution

The fourth proportional to 313,567.15, 432,730.71 and 170,335.39 is: 235,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,567.15 : 432,730.71 = 170,335.39 : x
  2. Step 2: Convert to fraction form
    313,567.15/432,730.71 = 170,335.39/x
  3. Step 3: Cross multiply
    313,567.15x = 432,730.71 × 170,335.39
  4. Step 4: Simplify right side
    313,567.15x = 73,709,354,252.83
  5. Step 5: Solve for x
    x = 73,709,354,252.83/313,567.15
  6. Step 6: Final answer
    x = 235,067.21

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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.