Home / 308,669.03-465,317.09-288,094.16

Finding the Fourth Proportional to 308,669.03, 465,317.09 and 288,094.16

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Solution

The fourth proportional to 308,669.03, 465,317.09 and 288,094.16 is: 434,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,669.03 : 465,317.09 = 288,094.16 : x
  2. Step 2: Convert to fraction form
    308,669.03/465,317.09 = 288,094.16/x
  3. Step 3: Cross multiply
    308,669.03x = 465,317.09 × 288,094.16
  4. Step 4: Simplify right side
    308,669.03x = 134,055,136,177.19
  5. Step 5: Solve for x
    x = 134,055,136,177.19/308,669.03
  6. Step 6: Final answer
    x = 434,300.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.