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Finding the Fourth Proportional to 295,605.32, 407,814.60 and 218,266.32

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Solution

The fourth proportional to 295,605.32, 407,814.60 and 218,266.32 is: 301,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,605.32 : 407,814.60 = 218,266.32 : x
  2. Step 2: Convert to fraction form
    295,605.32/407,814.60 = 218,266.32/x
  3. Step 3: Cross multiply
    295,605.32x = 407,814.60 × 218,266.32
  4. Step 4: Simplify right side
    295,605.32x = 89,012,191,984.27
  5. Step 5: Solve for x
    x = 89,012,191,984.27/295,605.32
  6. Step 6: Final answer
    x = 301,118.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.