Finding the Fourth Proportional to 330,089.40, 455,524.74 and 186,877.08
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Solution
The fourth proportional to 330,089.40, 455,524.74 and 186,877.08 is: 257,891.14
Step by Step Solution
- Step 1: Write the proportion equation
330,089.40 : 455,524.74 = 186,877.08 : x - Step 2: Convert to fraction form
330,089.40/455,524.74 = 186,877.08/x - Step 3: Cross multiply
330,089.40x = 455,524.74 × 186,877.08 - Step 4: Simplify right side
330,089.40x = 85,127,133,278.96 - Step 5: Solve for x
x = 85,127,133,278.96/330,089.40 - Step 6: Final answer
x = 257,891.14
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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.