Home / 268,396.82-370,388.38-153,677.24

Finding the Fourth Proportional to 268,396.82, 370,388.38 and 153,677.24

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Solution

The fourth proportional to 268,396.82, 370,388.38 and 153,677.24 is: 212,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,396.82 : 370,388.38 = 153,677.24 : x
  2. Step 2: Convert to fraction form
    268,396.82/370,388.38 = 153,677.24/x
  3. Step 3: Cross multiply
    268,396.82x = 370,388.38 × 153,677.24
  4. Step 4: Simplify right side
    268,396.82x = 56,920,263,966.47
  5. Step 5: Solve for x
    x = 56,920,263,966.47/268,396.82
  6. Step 6: Final answer
    x = 212,075.03

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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.