Finding the Fourth Proportional to 151,176.24, 208,631.84 and 86,656.23
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Solution
The fourth proportional to 151,176.24, 208,631.84 and 86,656.23 is: 119,590.54
Step by Step Solution
- Step 1: Write the proportion equation
151,176.24 : 208,631.84 = 86,656.23 : x - Step 2: Convert to fraction form
151,176.24/208,631.84 = 86,656.23/x - Step 3: Cross multiply
151,176.24x = 208,631.84 × 86,656.23 - Step 4: Simplify right side
151,176.24x = 18,079,248,279.08 - Step 5: Solve for x
x = 18,079,248,279.08/151,176.24 - Step 6: Final answer
x = 119,590.54
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1.5x scale
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.