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Finding the Fourth Proportional to 369,878.81, 510,403.68 and 226,619.37

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Solution

The fourth proportional to 369,878.81, 510,403.68 and 226,619.37 is: 312,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,878.81 : 510,403.68 = 226,619.37 : x
  2. Step 2: Convert to fraction form
    369,878.81/510,403.68 = 226,619.37/x
  3. Step 3: Cross multiply
    369,878.81x = 510,403.68 × 226,619.37
  4. Step 4: Simplify right side
    369,878.81x = 115,667,360,407.28
  5. Step 5: Solve for x
    x = 115,667,360,407.28/369,878.81
  6. Step 6: Final answer
    x = 312,716.92

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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.