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Finding the Fourth Proportional to 237,457.90, 327,741.42 and 218,307.34

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Solution

The fourth proportional to 237,457.90, 327,741.42 and 218,307.34 is: 301,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,457.90 : 327,741.42 = 218,307.34 : x
  2. Step 2: Convert to fraction form
    237,457.90/327,741.42 = 218,307.34/x
  3. Step 3: Cross multiply
    237,457.90x = 327,741.42 × 218,307.34
  4. Step 4: Simplify right side
    237,457.90x = 71,548,357,608.02
  5. Step 5: Solve for x
    x = 71,548,357,608.02/237,457.90
  6. Step 6: Final answer
    x = 301,309.65

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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.