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Finding the Fourth Proportional to 307,005.41, 458,349.48 and 234,579.27

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Solution

The fourth proportional to 307,005.41, 458,349.48 and 234,579.27 is: 350,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,005.41 : 458,349.48 = 234,579.27 : x
  2. Step 2: Convert to fraction form
    307,005.41/458,349.48 = 234,579.27/x
  3. Step 3: Cross multiply
    307,005.41x = 458,349.48 × 234,579.27
  4. Step 4: Simplify right side
    307,005.41x = 107,519,286,423.28
  5. Step 5: Solve for x
    x = 107,519,286,423.28/307,005.41
  6. Step 6: Final answer
    x = 350,219.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.