Finding the Fourth Proportional to 153,913.96, 211,927.46 and 131,201.96
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Solution
The fourth proportional to 153,913.96, 211,927.46 and 131,201.96 is: 180,654.82
Step by Step Solution
- Step 1: Write the proportion equation
153,913.96 : 211,927.46 = 131,201.96 : x - Step 2: Convert to fraction form
153,913.96/211,927.46 = 131,201.96/x - Step 3: Cross multiply
153,913.96x = 211,927.46 × 131,201.96 - Step 4: Simplify right side
153,913.96x = 27,805,298,129.82 - Step 5: Solve for x
x = 27,805,298,129.82/153,913.96 - Step 6: Final answer
x = 180,654.82
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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.