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Finding the Fourth Proportional to 369,646.56, 510,111.84 and 199,880.28

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Solution

The fourth proportional to 369,646.56, 510,111.84 and 199,880.28 is: 275,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,646.56 : 510,111.84 = 199,880.28 : x
  2. Step 2: Convert to fraction form
    369,646.56/510,111.84 = 199,880.28/x
  3. Step 3: Cross multiply
    369,646.56x = 510,111.84 × 199,880.28
  4. Step 4: Simplify right side
    369,646.56x = 101,961,297,410.52
  5. Step 5: Solve for x
    x = 101,961,297,410.52/369,646.56
  6. Step 6: Final answer
    x = 275,834.56

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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.