Finding the Fourth Proportional to 451,952.42, 623,692.62 and 248,006.75
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Solution
The fourth proportional to 451,952.42, 623,692.62 and 248,006.75 is: 342,248.37
Step by Step Solution
- Step 1: Write the proportion equation
451,952.42 : 623,692.62 = 248,006.75 : x - Step 2: Convert to fraction form
451,952.42/623,692.62 = 248,006.75/x - Step 3: Cross multiply
451,952.42x = 623,692.62 × 248,006.75 - Step 4: Simplify right side
451,952.42x = 154,679,976,566.72 - Step 5: Solve for x
x = 154,679,976,566.72/451,952.42 - Step 6: Final answer
x = 342,248.37
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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.