Home / 313,860.24-433,129.95-170,620.56

Finding the Fourth Proportional to 313,860.24, 433,129.95 and 170,620.56

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Solution

The fourth proportional to 313,860.24, 433,129.95 and 170,620.56 is: 235,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860.24 : 433,129.95 = 170,620.56 : x
  2. Step 2: Convert to fraction form
    313,860.24/433,129.95 = 170,620.56/x
  3. Step 3: Cross multiply
    313,860.24x = 433,129.95 × 170,620.56
  4. Step 4: Simplify right side
    313,860.24x = 73,900,874,621.77
  5. Step 5: Solve for x
    x = 73,900,874,621.77/313,860.24
  6. Step 6: Final answer
    x = 235,457.91

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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.