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Finding the Fourth Proportional to 273,038.26, 376,709.31 and 158,294.01

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Solution

The fourth proportional to 273,038.26, 376,709.31 and 158,294.01 is: 218,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,038.26 : 376,709.31 = 158,294.01 : x
  2. Step 2: Convert to fraction form
    273,038.26/376,709.31 = 158,294.01/x
  3. Step 3: Cross multiply
    273,038.26x = 376,709.31 × 158,294.01
  4. Step 4: Simplify right side
    273,038.26x = 59,630,827,284.23
  5. Step 5: Solve for x
    x = 59,630,827,284.23/273,038.26
  6. Step 6: Final answer
    x = 218,397.33

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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.