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Finding the Fourth Proportional to 233,260.60, 349,890.90 and 161,721.40

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Solution

The fourth proportional to 233,260.60, 349,890.90 and 161,721.40 is: 242,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,260.60 : 349,890.90 = 161,721.40 : x
  2. Step 2: Convert to fraction form
    233,260.60/349,890.90 = 161,721.40/x
  3. Step 3: Cross multiply
    233,260.60x = 349,890.90 × 161,721.40
  4. Step 4: Simplify right side
    233,260.60x = 56,584,846,195.26
  5. Step 5: Solve for x
    x = 56,584,846,195.26/233,260.60
  6. Step 6: Final answer
    x = 242,582.10

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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.