Finding the Fourth Proportional to 251,381.84, 346,908.93 and 136,660.46
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Solution
The fourth proportional to 251,381.84, 346,908.93 and 136,660.46 is: 188,592.52
Step by Step Solution
- Step 1: Write the proportion equation
251,381.84 : 346,908.93 = 136,660.46 : x - Step 2: Convert to fraction form
251,381.84/346,908.93 = 136,660.46/x - Step 3: Cross multiply
251,381.84x = 346,908.93 × 136,660.46 - Step 4: Simplify right side
251,381.84x = 47,408,733,951.91 - Step 5: Solve for x
x = 47,408,733,951.91/251,381.84 - Step 6: Final answer
x = 188,592.52
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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.