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Finding the Fourth Proportional to 240,602.22, 332,038.89 and 138,619.67

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Solution

The fourth proportional to 240,602.22, 332,038.89 and 138,619.67 is: 191,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,602.22 : 332,038.89 = 138,619.67 : x
  2. Step 2: Convert to fraction form
    240,602.22/332,038.89 = 138,619.67/x
  3. Step 3: Cross multiply
    240,602.22x = 332,038.89 × 138,619.67
  4. Step 4: Simplify right side
    240,602.22x = 46,027,119,698.77
  5. Step 5: Solve for x
    x = 46,027,119,698.77/240,602.22
  6. Step 6: Final answer
    x = 191,299.65

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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.