Home / 313,731.60-432,950.16-170,493.36

Finding the Fourth Proportional to 313,731.60, 432,950.16 and 170,493.36

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Solution

The fourth proportional to 313,731.60, 432,950.16 and 170,493.36 is: 235,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,731.60 : 432,950.16 = 170,493.36 : x
  2. Step 2: Convert to fraction form
    313,731.60/432,950.16 = 170,493.36/x
  3. Step 3: Cross multiply
    313,731.60x = 432,950.16 × 170,493.36
  4. Step 4: Simplify right side
    313,731.60x = 73,815,127,490.94
  5. Step 5: Solve for x
    x = 73,815,127,490.94/313,731.60
  6. Step 6: Final answer
    x = 235,281.14

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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.