Home / 380,926.50-525,675.66-208,842.41

Finding the Fourth Proportional to 380,926.50, 525,675.66 and 208,842.41

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Solution

The fourth proportional to 380,926.50, 525,675.66 and 208,842.41 is: 288,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,926.50 : 525,675.66 = 208,842.41 : x
  2. Step 2: Convert to fraction form
    380,926.50/525,675.66 = 208,842.41/x
  3. Step 3: Cross multiply
    380,926.50x = 525,675.66 × 208,842.41
  4. Step 4: Simplify right side
    380,926.50x = 109,783,369,084.36
  5. Step 5: Solve for x
    x = 109,783,369,084.36/380,926.50
  6. Step 6: Final answer
    x = 288,200.92

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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.