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Finding the Fourth Proportional to 254,056.47, 380,752.47 and 104,121.23

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Solution

The fourth proportional to 254,056.47, 380,752.47 and 104,121.23 is: 156,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,056.47 : 380,752.47 = 104,121.23 : x
  2. Step 2: Convert to fraction form
    254,056.47/380,752.47 = 104,121.23/x
  3. Step 3: Cross multiply
    254,056.47x = 380,752.47 × 104,121.23
  4. Step 4: Simplify right side
    254,056.47x = 39,644,413,598.18
  5. Step 5: Solve for x
    x = 39,644,413,598.18/254,056.47
  6. Step 6: Final answer
    x = 156,045.68

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1.5x scale

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.