Finding the Fourth Proportional to 134,456.96, 185,548.80 and 74,840.96
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Solution
The fourth proportional to 134,456.96, 185,548.80 and 74,840.96 is: 103,279.52
Step by Step Solution
- Step 1: Write the proportion equation
134,456.96 : 185,548.80 = 74,840.96 : x - Step 2: Convert to fraction form
134,456.96/185,548.80 = 74,840.96/x - Step 3: Cross multiply
134,456.96x = 185,548.80 × 74,840.96 - Step 4: Simplify right side
134,456.96x = 13,886,650,318.85 - Step 5: Solve for x
x = 13,886,650,318.85/134,456.96 - Step 6: Final answer
x = 103,279.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.