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Finding the Fourth Proportional to 201,014.28, 301,521.12 and 156,674.28

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Solution

The fourth proportional to 201,014.28, 301,521.12 and 156,674.28 is: 235,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,014.28 : 301,521.12 = 156,674.28 : x
  2. Step 2: Convert to fraction form
    201,014.28/301,521.12 = 156,674.28/x
  3. Step 3: Cross multiply
    201,014.28x = 301,521.12 × 156,674.28
  4. Step 4: Simplify right side
    201,014.28x = 47,240,604,380.79
  5. Step 5: Solve for x
    x = 47,240,604,380.79/201,014.28
  6. Step 6: Final answer
    x = 235,011.19

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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.