Finding the Fourth Proportional to 302,981.04, 418,115.44 and 173,884.80
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Solution
The fourth proportional to 302,981.04, 418,115.44 and 173,884.80 is: 239,961.95
Step by Step Solution
- Step 1: Write the proportion equation
302,981.04 : 418,115.44 = 173,884.80 : x - Step 2: Convert to fraction form
302,981.04/418,115.44 = 173,884.80/x - Step 3: Cross multiply
302,981.04x = 418,115.44 × 173,884.80 - Step 4: Simplify right side
302,981.04x = 72,703,919,661.31 - Step 5: Solve for x
x = 72,703,919,661.31/302,981.04 - Step 6: Final answer
x = 239,961.95
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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.