Home / 281,740.24-423,136.86-248,018.32

Finding the Fourth Proportional to 281,740.24, 423,136.86 and 248,018.32

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Solution

The fourth proportional to 281,740.24, 423,136.86 and 248,018.32 is: 372,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,740.24 : 423,136.86 = 248,018.32 : x
  2. Step 2: Convert to fraction form
    281,740.24/423,136.86 = 248,018.32/x
  3. Step 3: Cross multiply
    281,740.24x = 423,136.86 × 248,018.32
  4. Step 4: Simplify right side
    281,740.24x = 104,945,693,147.28
  5. Step 5: Solve for x
    x = 104,945,693,147.28/281,740.24
  6. Step 6: Final answer
    x = 372,490.96

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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.