Finding the Fourth Proportional to 153,675.52, 211,952.97 and 136,465.99
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Solution
The fourth proportional to 153,675.52, 211,952.97 and 136,465.99 is: 188,217.17
Step by Step Solution
- Step 1: Write the proportion equation
153,675.52 : 211,952.97 = 136,465.99 : x - Step 2: Convert to fraction form
153,675.52/211,952.97 = 136,465.99/x - Step 3: Cross multiply
153,675.52x = 211,952.97 × 136,465.99 - Step 4: Simplify right side
153,675.52x = 28,924,371,884.49 - Step 5: Solve for x
x = 28,924,371,884.49/153,675.52 - Step 6: Final answer
x = 188,217.17
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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.