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Finding the Fourth Proportional to 259,094.93, 388,347.58 and 157,669.28

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Solution

The fourth proportional to 259,094.93, 388,347.58 and 157,669.28 is: 236,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,094.93 : 388,347.58 = 157,669.28 : x
  2. Step 2: Convert to fraction form
    259,094.93/388,347.58 = 157,669.28/x
  3. Step 3: Cross multiply
    259,094.93x = 388,347.58 × 157,669.28
  4. Step 4: Simplify right side
    259,094.93x = 61,230,483,328.34
  5. Step 5: Solve for x
    x = 61,230,483,328.34/259,094.93
  6. Step 6: Final answer
    x = 236,324.51

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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.