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Finding the Fourth Proportional to 385,099.84, 531,599.52 and 234,249.28

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Solution

The fourth proportional to 385,099.84, 531,599.52 and 234,249.28 is: 323,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,099.84 : 531,599.52 = 234,249.28 : x
  2. Step 2: Convert to fraction form
    385,099.84/531,599.52 = 234,249.28/x
  3. Step 3: Cross multiply
    385,099.84x = 531,599.52 × 234,249.28
  4. Step 4: Simplify right side
    385,099.84x = 124,526,804,808.35
  5. Step 5: Solve for x
    x = 124,526,804,808.35/385,099.84
  6. Step 6: Final answer
    x = 323,362.39

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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.