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Finding the Fourth Proportional to 306,438.00, 422,711.65 and 183,899.04

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Solution

The fourth proportional to 306,438.00, 422,711.65 and 183,899.04 is: 253,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,438.00 : 422,711.65 = 183,899.04 : x
  2. Step 2: Convert to fraction form
    306,438.00/422,711.65 = 183,899.04/x
  3. Step 3: Cross multiply
    306,438.00x = 422,711.65 × 183,899.04
  4. Step 4: Simplify right side
    306,438.00x = 77,736,264,242.09
  5. Step 5: Solve for x
    x = 77,736,264,242.09/306,438.00
  6. Step 6: Final answer
    x = 253,676.98

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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.