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Finding the Fourth Proportional to 285,082.99, 393,302.60 and 183,094.29

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Solution

The fourth proportional to 285,082.99, 393,302.60 and 183,094.29 is: 252,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,082.99 : 393,302.60 = 183,094.29 : x
  2. Step 2: Convert to fraction form
    285,082.99/393,302.60 = 183,094.29/x
  3. Step 3: Cross multiply
    285,082.99x = 393,302.60 × 183,094.29
  4. Step 4: Simplify right side
    285,082.99x = 72,011,461,103.19
  5. Step 5: Solve for x
    x = 72,011,461,103.19/285,082.99
  6. Step 6: Final answer
    x = 252,598.24

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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.