Home / 305,683.36-458,315.88-155,633.28

Finding the Fourth Proportional to 305,683.36, 458,315.88 and 155,633.28

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Solution

The fourth proportional to 305,683.36, 458,315.88 and 155,633.28 is: 233,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,683.36 : 458,315.88 = 155,633.28 : x
  2. Step 2: Convert to fraction form
    305,683.36/458,315.88 = 155,633.28/x
  3. Step 3: Cross multiply
    305,683.36x = 458,315.88 × 155,633.28
  4. Step 4: Simplify right side
    305,683.36x = 71,329,203,680.49
  5. Step 5: Solve for x
    x = 71,329,203,680.49/305,683.36
  6. Step 6: Final answer
    x = 233,343.43

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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.