Home / 321,973.74-483,097.91-161,965.53

Finding the Fourth Proportional to 321,973.74, 483,097.91 and 161,965.53

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Solution

The fourth proportional to 321,973.74, 483,097.91 and 161,965.53 is: 243,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,973.74 : 483,097.91 = 161,965.53 : x
  2. Step 2: Convert to fraction form
    321,973.74/483,097.91 = 161,965.53/x
  3. Step 3: Cross multiply
    321,973.74x = 483,097.91 × 161,965.53
  4. Step 4: Simplify right side
    321,973.74x = 78,245,208,225.21
  5. Step 5: Solve for x
    x = 78,245,208,225.21/321,973.74
  6. Step 6: Final answer
    x = 243,017.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.