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Finding the Fourth Proportional to 316,029.94, 474,044.91 and 105,673.34

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Solution

The fourth proportional to 316,029.94, 474,044.91 and 105,673.34 is: 158,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,029.94 : 474,044.91 = 105,673.34 : x
  2. Step 2: Convert to fraction form
    316,029.94/474,044.91 = 105,673.34/x
  3. Step 3: Cross multiply
    316,029.94x = 474,044.91 × 105,673.34
  4. Step 4: Simplify right side
    316,029.94x = 50,093,909,738.54
  5. Step 5: Solve for x
    x = 50,093,909,738.54/316,029.94
  6. Step 6: Final answer
    x = 158,510.01

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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.