Home / 423,985.24-636,195.75-234,410.41

Finding the Fourth Proportional to 423,985.24, 636,195.75 and 234,410.41

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Solution

The fourth proportional to 423,985.24, 636,195.75 and 234,410.41 is: 351,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,985.24 : 636,195.75 = 234,410.41 : x
  2. Step 2: Convert to fraction form
    423,985.24/636,195.75 = 234,410.41/x
  3. Step 3: Cross multiply
    423,985.24x = 636,195.75 × 234,410.41
  4. Step 4: Simplify right side
    423,985.24x = 149,130,906,597.76
  5. Step 5: Solve for x
    x = 149,130,906,597.76/423,985.24
  6. Step 6: Final answer
    x = 351,736.08

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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.