Finding the Fourth Proportional to 156,966.30, 235,489.14 and 68,235.66
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Solution
The fourth proportional to 156,966.30, 235,489.14 and 68,235.66 is: 102,370.74
Step by Step Solution
- Step 1: Write the proportion equation
156,966.30 : 235,489.14 = 68,235.66 : x - Step 2: Convert to fraction form
156,966.30/235,489.14 = 68,235.66/x - Step 3: Cross multiply
156,966.30x = 235,489.14 × 68,235.66 - Step 4: Simplify right side
156,966.30x = 16,068,756,890.73 - Step 5: Solve for x
x = 16,068,756,890.73/156,966.30 - Step 6: Final answer
x = 102,370.74
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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.