Finding the Fourth Proportional to 175,455.12, 242,125.05 and 98,974.38
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Solution
The fourth proportional to 175,455.12, 242,125.05 and 98,974.38 is: 136,582.94
Step by Step Solution
- Step 1: Write the proportion equation
175,455.12 : 242,125.05 = 98,974.38 : x - Step 2: Convert to fraction form
175,455.12/242,125.05 = 98,974.38/x - Step 3: Cross multiply
175,455.12x = 242,125.05 × 98,974.38 - Step 4: Simplify right side
175,455.12x = 23,964,176,706.22 - Step 5: Solve for x
x = 23,964,176,706.22/175,455.12 - Step 6: Final answer
x = 136,582.94
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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.