Finding the Fourth Proportional to 393,646.04, 543,492.99 and 302,841.80
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Solution
The fourth proportional to 393,646.04, 543,492.99 and 302,841.80 is: 418,122.83
Step by Step Solution
- Step 1: Write the proportion equation
393,646.04 : 543,492.99 = 302,841.80 : x - Step 2: Convert to fraction form
393,646.04/543,492.99 = 302,841.80/x - Step 3: Cross multiply
393,646.04x = 543,492.99 × 302,841.80 - Step 4: Simplify right side
393,646.04x = 164,592,394,699.62 - Step 5: Solve for x
x = 164,592,394,699.62/393,646.04 - Step 6: Final answer
x = 418,122.83
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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.