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Finding the Fourth Proportional to 369,715, 510,204.54 and 199,948.60

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Solution

The fourth proportional to 369,715, 510,204.54 and 199,948.60 is: 275,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,715 : 510,204.54 = 199,948.60 : x
  2. Step 2: Convert to fraction form
    369,715/510,204.54 = 199,948.60/x
  3. Step 3: Cross multiply
    369,715x = 510,204.54 × 199,948.60
  4. Step 4: Simplify right side
    369,715x = 102,014,683,486.64
  5. Step 5: Solve for x
    x = 102,014,683,486.64/369,715
  6. Step 6: Final answer
    x = 275,927.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.