Finding the Fourth Proportional to 343,769.66, 474,394.98 and 190,798.88
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Solution
The fourth proportional to 343,769.66, 474,394.98 and 190,798.88 is: 263,298.49
Step by Step Solution
- Step 1: Write the proportion equation
343,769.66 : 474,394.98 = 190,798.88 : x - Step 2: Convert to fraction form
343,769.66/474,394.98 = 190,798.88/x - Step 3: Cross multiply
343,769.66x = 474,394.98 × 190,798.88 - Step 4: Simplify right side
343,769.66x = 90,514,030,861.62 - Step 5: Solve for x
x = 90,514,030,861.62/343,769.66 - Step 6: Final answer
x = 263,298.49
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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.