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Finding the Fourth Proportional to 474,783.35, 712,176.30 and 119,797.34

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Solution

The fourth proportional to 474,783.35, 712,176.30 and 119,797.34 is: 179,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,783.35 : 712,176.30 = 119,797.34 : x
  2. Step 2: Convert to fraction form
    474,783.35/712,176.30 = 119,797.34/x
  3. Step 3: Cross multiply
    474,783.35x = 712,176.30 × 119,797.34
  4. Step 4: Simplify right side
    474,783.35x = 85,316,822,790.16
  5. Step 5: Solve for x
    x = 85,316,822,790.16/474,783.35
  6. Step 6: Final answer
    x = 179,696.33

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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.