Finding the Fourth Proportional to 349,518.96, 482,387.94 and 213,631.20
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Solution
The fourth proportional to 349,518.96, 482,387.94 and 213,631.20 is: 294,842.70
Step by Step Solution
- Step 1: Write the proportion equation
349,518.96 : 482,387.94 = 213,631.20 : x - Step 2: Convert to fraction form
349,518.96/482,387.94 = 213,631.20/x - Step 3: Cross multiply
349,518.96x = 482,387.94 × 213,631.20 - Step 4: Simplify right side
349,518.96x = 103,053,114,487.73 - Step 5: Solve for x
x = 103,053,114,487.73/349,518.96 - Step 6: Final answer
x = 294,842.70
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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.