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Finding the Fourth Proportional to 537,951, 806,948.73 and 158,871.81

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Solution

The fourth proportional to 537,951, 806,948.73 and 158,871.81 is: 238,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,951 : 806,948.73 = 158,871.81 : x
  2. Step 2: Convert to fraction form
    537,951/806,948.73 = 158,871.81/x
  3. Step 3: Cross multiply
    537,951x = 806,948.73 × 158,871.81
  4. Step 4: Simplify right side
    537,951x = 128,201,405,312.30
  5. Step 5: Solve for x
    x = 128,201,405,312.30/537,951
  6. Step 6: Final answer
    x = 238,314.28

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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.