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Finding the Fourth Proportional to 341,904.60, 512,852.10 and 154,915.80

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Solution

The fourth proportional to 341,904.60, 512,852.10 and 154,915.80 is: 232,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,904.60 : 512,852.10 = 154,915.80 : x
  2. Step 2: Convert to fraction form
    341,904.60/512,852.10 = 154,915.80/x
  3. Step 3: Cross multiply
    341,904.60x = 512,852.10 × 154,915.80
  4. Step 4: Simplify right side
    341,904.60x = 79,448,893,353.18
  5. Step 5: Solve for x
    x = 79,448,893,353.18/341,904.60
  6. Step 6: Final answer
    x = 232,371.53

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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.