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Finding the Fourth Proportional to 189,293.02, 283,878.07 and 62,899.32

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Solution

The fourth proportional to 189,293.02, 283,878.07 and 62,899.32 is: 94,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,293.02 : 283,878.07 = 62,899.32 : x
  2. Step 2: Convert to fraction form
    189,293.02/283,878.07 = 62,899.32/x
  3. Step 3: Cross multiply
    189,293.02x = 283,878.07 × 62,899.32
  4. Step 4: Simplify right side
    189,293.02x = 17,855,737,565.91
  5. Step 5: Solve for x
    x = 17,855,737,565.91/189,293.02
  6. Step 6: Final answer
    x = 94,328.56

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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.