Finding the Fourth Proportional to 98,302.08, 135,658.80 and 53,590.08
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Solution
The fourth proportional to 98,302.08, 135,658.80 and 53,590.08 is: 73,955.36
Step by Step Solution
- Step 1: Write the proportion equation
98,302.08 : 135,658.80 = 53,590.08 : x - Step 2: Convert to fraction form
98,302.08/135,658.80 = 53,590.08/x - Step 3: Cross multiply
98,302.08x = 135,658.80 × 53,590.08 - Step 4: Simplify right side
98,302.08x = 7,269,965,944.70 - Step 5: Solve for x
x = 7,269,965,944.70/98,302.08 - Step 6: Final answer
x = 73,955.36
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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.