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Finding the Fourth Proportional to 233,415.40, 350,123.10 and 203,890.90

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Solution

The fourth proportional to 233,415.40, 350,123.10 and 203,890.90 is: 305,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,415.40 : 350,123.10 = 203,890.90 : x
  2. Step 2: Convert to fraction form
    233,415.40/350,123.10 = 203,890.90/x
  3. Step 3: Cross multiply
    233,415.40x = 350,123.10 × 203,890.90
  4. Step 4: Simplify right side
    233,415.40x = 71,386,913,969.79
  5. Step 5: Solve for x
    x = 71,386,913,969.79/233,415.40
  6. Step 6: Final answer
    x = 305,836.35

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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.