Home / 370,260.09-510,958.04-200,494.21

Finding the Fourth Proportional to 370,260.09, 510,958.04 and 200,494.21

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Solution

The fourth proportional to 370,260.09, 510,958.04 and 200,494.21 is: 276,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,260.09 : 510,958.04 = 200,494.21 : x
  2. Step 2: Convert to fraction form
    370,260.09/510,958.04 = 200,494.21/x
  3. Step 3: Cross multiply
    370,260.09x = 510,958.04 × 200,494.21
  4. Step 4: Simplify right side
    370,260.09x = 102,444,128,572.95
  5. Step 5: Solve for x
    x = 102,444,128,572.95/370,260.09
  6. Step 6: Final answer
    x = 276,681.53

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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.