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Finding the Fourth Proportional to 341,624.70, 512,582.85 and 164,040.30

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Solution

The fourth proportional to 341,624.70, 512,582.85 and 164,040.30 is: 246,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,624.70 : 512,582.85 = 164,040.30 : x
  2. Step 2: Convert to fraction form
    341,624.70/512,582.85 = 164,040.30/x
  3. Step 3: Cross multiply
    341,624.70x = 512,582.85 × 164,040.30
  4. Step 4: Simplify right side
    341,624.70x = 84,084,244,488.86
  5. Step 5: Solve for x
    x = 84,084,244,488.86/341,624.70
  6. Step 6: Final answer
    x = 246,130.46

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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.