Finding the Fourth Proportional to 243,536.29, 336,083.88 and 136,113.28
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Solution
The fourth proportional to 243,536.29, 336,083.88 and 136,113.28 is: 187,838.45
Step by Step Solution
- Step 1: Write the proportion equation
243,536.29 : 336,083.88 = 136,113.28 : x - Step 2: Convert to fraction form
243,536.29/336,083.88 = 136,113.28/x - Step 3: Cross multiply
243,536.29x = 336,083.88 × 136,113.28 - Step 4: Simplify right side
243,536.29x = 45,745,478,932.14 - Step 5: Solve for x
x = 45,745,478,932.14/243,536.29 - Step 6: Final answer
x = 187,838.45
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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.