Home / 460,386.50-635,365.28-279,106.06

Finding the Fourth Proportional to 460,386.50, 635,365.28 and 279,106.06

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Solution

The fourth proportional to 460,386.50, 635,365.28 and 279,106.06 is: 385,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,386.50 : 635,365.28 = 279,106.06 : x
  2. Step 2: Convert to fraction form
    460,386.50/635,365.28 = 279,106.06/x
  3. Step 3: Cross multiply
    460,386.50x = 635,365.28 × 279,106.06
  4. Step 4: Simplify right side
    460,386.50x = 177,334,299,961.60
  5. Step 5: Solve for x
    x = 177,334,299,961.60/460,386.50
  6. Step 6: Final answer
    x = 385,185.71

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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.