Finding the Fourth Proportional to 318,828.01, 439,979.74 and 175,584.98
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Solution
The fourth proportional to 318,828.01, 439,979.74 and 175,584.98 is: 242,305.67
Step by Step Solution
- Step 1: Write the proportion equation
318,828.01 : 439,979.74 = 175,584.98 : x - Step 2: Convert to fraction form
318,828.01/439,979.74 = 175,584.98/x - Step 3: Cross multiply
318,828.01x = 439,979.74 × 175,584.98 - Step 4: Simplify right side
318,828.01x = 77,253,833,848.31 - Step 5: Solve for x
x = 77,253,833,848.31/318,828.01 - Step 6: Final answer
x = 242,305.67
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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.