Finding the Fourth Proportional to 121,318.48, 182,079.96 and 51,248.08
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Solution
The fourth proportional to 121,318.48, 182,079.96 and 51,248.08 is: 76,915.31
Step by Step Solution
- Step 1: Write the proportion equation
121,318.48 : 182,079.96 = 51,248.08 : x - Step 2: Convert to fraction form
121,318.48/182,079.96 = 51,248.08/x - Step 3: Cross multiply
121,318.48x = 182,079.96 × 51,248.08 - Step 4: Simplify right side
121,318.48x = 9,331,248,356.48 - Step 5: Solve for x
x = 9,331,248,356.48/121,318.48 - Step 6: Final answer
x = 76,915.31
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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.