Finding the Fourth Proportional to 151,502.64, 209,074.68 and 84,438.96
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Solution
The fourth proportional to 151,502.64, 209,074.68 and 84,438.96 is: 116,526.34
Step by Step Solution
- Step 1: Write the proportion equation
151,502.64 : 209,074.68 = 84,438.96 : x - Step 2: Convert to fraction form
151,502.64/209,074.68 = 84,438.96/x - Step 3: Cross multiply
151,502.64x = 209,074.68 × 84,438.96 - Step 4: Simplify right side
151,502.64x = 17,654,048,541.53 - Step 5: Solve for x
x = 17,654,048,541.53/151,502.64 - Step 6: Final answer
x = 116,526.34
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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.