Home / 344,838.40-517,257.60-226,643.20

Finding the Fourth Proportional to 344,838.40, 517,257.60 and 226,643.20

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Solution

The fourth proportional to 344,838.40, 517,257.60 and 226,643.20 is: 339,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,838.40 : 517,257.60 = 226,643.20 : x
  2. Step 2: Convert to fraction form
    344,838.40/517,257.60 = 226,643.20/x
  3. Step 3: Cross multiply
    344,838.40x = 517,257.60 × 226,643.20
  4. Step 4: Simplify right side
    344,838.40x = 117,232,917,688.32
  5. Step 5: Solve for x
    x = 117,232,917,688.32/344,838.40
  6. Step 6: Final answer
    x = 339,964.80

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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.