Home / 282,223.10-423,226.19-102,255.64

Finding the Fourth Proportional to 282,223.10, 423,226.19 and 102,255.64

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Solution

The fourth proportional to 282,223.10, 423,226.19 and 102,255.64 is: 153,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,223.10 : 423,226.19 = 102,255.64 : x
  2. Step 2: Convert to fraction form
    282,223.10/423,226.19 = 102,255.64/x
  3. Step 3: Cross multiply
    282,223.10x = 423,226.19 × 102,255.64
  4. Step 4: Simplify right side
    282,223.10x = 43,277,264,120.79
  5. Step 5: Solve for x
    x = 43,277,264,120.79/282,223.10
  6. Step 6: Final answer
    x = 153,344.16

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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.