Home / 313,212.42-432,236.25-169,973.64

Finding the Fourth Proportional to 313,212.42, 432,236.25 and 169,973.64

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Solution

The fourth proportional to 313,212.42, 432,236.25 and 169,973.64 is: 234,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,212.42 : 432,236.25 = 169,973.64 : x
  2. Step 2: Convert to fraction form
    313,212.42/432,236.25 = 169,973.64/x
  3. Step 3: Cross multiply
    313,212.42x = 432,236.25 × 169,973.64
  4. Step 4: Simplify right side
    313,212.42x = 73,468,768,752.45
  5. Step 5: Solve for x
    x = 73,468,768,752.45/313,212.42
  6. Step 6: Final answer
    x = 234,565.31

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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.