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Finding the Fourth Proportional to 869,273.82, 1,303,896.89 and 238,187.64

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Solution

The fourth proportional to 869,273.82, 1,303,896.89 and 238,187.64 is: 357,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,273.82 : 1,303,896.89 = 238,187.64 : x
  2. Step 2: Convert to fraction form
    869,273.82/1,303,896.89 = 238,187.64/x
  3. Step 3: Cross multiply
    869,273.82x = 1,303,896.89 × 238,187.64
  4. Step 4: Simplify right side
    869,273.82x = 310,572,121,841.50
  5. Step 5: Solve for x
    x = 310,572,121,841.50/869,273.82
  6. Step 6: Final answer
    x = 357,277.67

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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.