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Finding the Fourth Proportional to 369,570.87, 510,005.57 and 199,804.59

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Solution

The fourth proportional to 369,570.87, 510,005.57 and 199,804.59 is: 275,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,570.87 : 510,005.57 = 199,804.59 : x
  2. Step 2: Convert to fraction form
    369,570.87/510,005.57 = 199,804.59/x
  3. Step 3: Cross multiply
    369,570.87x = 510,005.57 × 199,804.59
  4. Step 4: Simplify right side
    369,570.87x = 101,901,452,812.54
  5. Step 5: Solve for x
    x = 101,901,452,812.54/369,570.87
  6. Step 6: Final answer
    x = 275,729.13

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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.