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Finding the Fourth Proportional to 261,144.84, 358,032.84 and 256,420.92

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Solution

The fourth proportional to 261,144.84, 358,032.84 and 256,420.92 is: 351,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,144.84 : 358,032.84 = 256,420.92 : x
  2. Step 2: Convert to fraction form
    261,144.84/358,032.84 = 256,420.92/x
  3. Step 3: Cross multiply
    261,144.84x = 358,032.84 × 256,420.92
  4. Step 4: Simplify right side
    261,144.84x = 91,807,110,223.01
  5. Step 5: Solve for x
    x = 91,807,110,223.01/261,144.84
  6. Step 6: Final answer
    x = 351,556.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.