Home / 305,682.36-458,314.38-155,632.28

Finding the Fourth Proportional to 305,682.36, 458,314.38 and 155,632.28

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Solution

The fourth proportional to 305,682.36, 458,314.38 and 155,632.28 is: 233,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,682.36 : 458,314.38 = 155,632.28 : x
  2. Step 2: Convert to fraction form
    305,682.36/458,314.38 = 155,632.28/x
  3. Step 3: Cross multiply
    305,682.36x = 458,314.38 × 155,632.28
  4. Step 4: Simplify right side
    305,682.36x = 71,328,511,916.19
  5. Step 5: Solve for x
    x = 71,328,511,916.19/305,682.36
  6. Step 6: Final answer
    x = 233,341.93

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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.