Home / 313,968.48-433,277.28-170,728.44

Finding the Fourth Proportional to 313,968.48, 433,277.28 and 170,728.44

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Solution

The fourth proportional to 313,968.48, 433,277.28 and 170,728.44 is: 235,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,968.48 : 433,277.28 = 170,728.44 : x
  2. Step 2: Convert to fraction form
    313,968.48/433,277.28 = 170,728.44/x
  3. Step 3: Cross multiply
    313,968.48x = 433,277.28 × 170,728.44
  4. Step 4: Simplify right side
    313,968.48x = 73,972,754,101.84
  5. Step 5: Solve for x
    x = 73,972,754,101.84/313,968.48
  6. Step 6: Final answer
    x = 235,605.67

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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.