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Finding the Fourth Proportional to 210,007.60, 315,011.40 and 150,958.60

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Solution

The fourth proportional to 210,007.60, 315,011.40 and 150,958.60 is: 226,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.60 : 315,011.40 = 150,958.60 : x
  2. Step 2: Convert to fraction form
    210,007.60/315,011.40 = 150,958.60/x
  3. Step 3: Cross multiply
    210,007.60x = 315,011.40 × 150,958.60
  4. Step 4: Simplify right side
    210,007.60x = 47,553,679,928.04
  5. Step 5: Solve for x
    x = 47,553,679,928.04/210,007.60
  6. Step 6: Final answer
    x = 226,437.90

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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.