Finding the Fourth Proportional to 156,473.14, 234,699.99 and 49,854.46
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Solution
The fourth proportional to 156,473.14, 234,699.99 and 49,854.46 is: 74,778.59
Step by Step Solution
- Step 1: Write the proportion equation
156,473.14 : 234,699.99 = 49,854.46 : x - Step 2: Convert to fraction form
156,473.14/234,699.99 = 49,854.46/x - Step 3: Cross multiply
156,473.14x = 234,699.99 × 49,854.46 - Step 4: Simplify right side
156,473.14x = 11,700,840,489.75 - Step 5: Solve for x
x = 11,700,840,489.75/156,473.14 - Step 6: Final answer
x = 74,778.59
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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.