Finding the Fourth Proportional to 492,178.66, 679,269.18 and 277,371.52
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Solution
The fourth proportional to 492,178.66, 679,269.18 and 277,371.52 is: 382,807.99
Step by Step Solution
- Step 1: Write the proportion equation
492,178.66 : 679,269.18 = 277,371.52 : x - Step 2: Convert to fraction form
492,178.66/679,269.18 = 277,371.52/x - Step 3: Cross multiply
492,178.66x = 679,269.18 × 277,371.52 - Step 4: Simplify right side
492,178.66x = 188,409,924,945.75 - Step 5: Solve for x
x = 188,409,924,945.75/492,178.66 - Step 6: Final answer
x = 382,807.99
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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.