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Finding the Fourth Proportional to 219,835, 303,372.32 and 124,339.64

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Solution

The fourth proportional to 219,835, 303,372.32 and 124,339.64 is: 171,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,835 : 303,372.32 = 124,339.64 : x
  2. Step 2: Convert to fraction form
    219,835/303,372.32 = 124,339.64/x
  3. Step 3: Cross multiply
    219,835x = 303,372.32 × 124,339.64
  4. Step 4: Simplify right side
    219,835x = 37,721,205,054.76
  5. Step 5: Solve for x
    x = 37,721,205,054.76/219,835
  6. Step 6: Final answer
    x = 171,588.71

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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.