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Finding the Fourth Proportional to 341,927.70, 512,891.55 and 105,342.90

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Solution

The fourth proportional to 341,927.70, 512,891.55 and 105,342.90 is: 158,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,927.70 : 512,891.55 = 105,342.90 : x
  2. Step 2: Convert to fraction form
    341,927.70/512,891.55 = 105,342.90/x
  3. Step 3: Cross multiply
    341,927.70x = 512,891.55 × 105,342.90
  4. Step 4: Simplify right side
    341,927.70x = 54,029,483,262.50
  5. Step 5: Solve for x
    x = 54,029,483,262.50/341,927.70
  6. Step 6: Final answer
    x = 158,014.35

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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.