Home / 285,894.04-428,299.76-190,837.60

Finding the Fourth Proportional to 285,894.04, 428,299.76 and 190,837.60

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Solution

The fourth proportional to 285,894.04, 428,299.76 and 190,837.60 is: 285,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,894.04 : 428,299.76 = 190,837.60 : x
  2. Step 2: Convert to fraction form
    285,894.04/428,299.76 = 190,837.60/x
  3. Step 3: Cross multiply
    285,894.04x = 428,299.76 × 190,837.60
  4. Step 4: Simplify right side
    285,894.04x = 81,735,698,278.98
  5. Step 5: Solve for x
    x = 81,735,698,278.98/285,894.04
  6. Step 6: Final answer
    x = 285,895.08

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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.