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Finding the Fourth Proportional to 301,335.94, 452,010.74 and 76,695.50

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Solution

The fourth proportional to 301,335.94, 452,010.74 and 76,695.50 is: 115,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,335.94 : 452,010.74 = 76,695.50 : x
  2. Step 2: Convert to fraction form
    301,335.94/452,010.74 = 76,695.50/x
  3. Step 3: Cross multiply
    301,335.94x = 452,010.74 × 76,695.50
  4. Step 4: Simplify right side
    301,335.94x = 34,667,189,709.67
  5. Step 5: Solve for x
    x = 34,667,189,709.67/301,335.94
  6. Step 6: Final answer
    x = 115,044.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.