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Finding the Fourth Proportional to 344,017.28, 514,690.68 and 301,578.08

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Solution

The fourth proportional to 344,017.28, 514,690.68 and 301,578.08 is: 451,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,017.28 : 514,690.68 = 301,578.08 : x
  2. Step 2: Convert to fraction form
    344,017.28/514,690.68 = 301,578.08/x
  3. Step 3: Cross multiply
    344,017.28x = 514,690.68 × 301,578.08
  4. Step 4: Simplify right side
    344,017.28x = 155,219,427,068.29
  5. Step 5: Solve for x
    x = 155,219,427,068.29/344,017.28
  6. Step 6: Final answer
    x = 451,196.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.