Home / 313,210.69-432,231.03-169,970.73

Finding the Fourth Proportional to 313,210.69, 432,231.03 and 169,970.73

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Solution

The fourth proportional to 313,210.69, 432,231.03 and 169,970.73 is: 234,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,210.69 : 432,231.03 = 169,970.73 : x
  2. Step 2: Convert to fraction form
    313,210.69/432,231.03 = 169,970.73/x
  3. Step 3: Cross multiply
    313,210.69x = 432,231.03 × 169,970.73
  4. Step 4: Simplify right side
    313,210.69x = 73,466,623,697.75
  5. Step 5: Solve for x
    x = 73,466,623,697.75/313,210.69
  6. Step 6: Final answer
    x = 234,559.76

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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.