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Finding the Fourth Proportional to 211,172.00, 316,746.18 and 59,379.21

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Solution

The fourth proportional to 211,172.00, 316,746.18 and 59,379.21 is: 89,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,172.00 : 316,746.18 = 59,379.21 : x
  2. Step 2: Convert to fraction form
    211,172.00/316,746.18 = 59,379.21/x
  3. Step 3: Cross multiply
    211,172.00x = 316,746.18 × 59,379.21
  4. Step 4: Simplify right side
    211,172.00x = 18,808,137,938.92
  5. Step 5: Solve for x
    x = 18,808,137,938.92/211,172.00
  6. Step 6: Final answer
    x = 89,065.49

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