Finding the Fourth Proportional to 163,918.08, 226,159.68 and 112,944.48
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Solution
The fourth proportional to 163,918.08, 226,159.68 and 112,944.48 is: 155,830.81
Step by Step Solution
- Step 1: Write the proportion equation
163,918.08 : 226,159.68 = 112,944.48 : x - Step 2: Convert to fraction form
163,918.08/226,159.68 = 112,944.48/x - Step 3: Cross multiply
163,918.08x = 226,159.68 × 112,944.48 - Step 4: Simplify right side
163,918.08x = 25,543,487,454.57 - Step 5: Solve for x
x = 25,543,487,454.57/163,918.08 - Step 6: Final answer
x = 155,830.81
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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.