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Finding the Fourth Proportional to 370,012.14, 510,616.68 and 200,246.22

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Solution

The fourth proportional to 370,012.14, 510,616.68 and 200,246.22 is: 276,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,012.14 : 510,616.68 = 200,246.22 : x
  2. Step 2: Convert to fraction form
    370,012.14/510,616.68 = 200,246.22/x
  3. Step 3: Cross multiply
    370,012.14x = 510,616.68 × 200,246.22
  4. Step 4: Simplify right side
    370,012.14x = 102,249,060,038.95
  5. Step 5: Solve for x
    x = 102,249,060,038.95/370,012.14
  6. Step 6: Final answer
    x = 276,339.74

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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.