Finding the Fourth Proportional to 492,225.12, 679,273.44 and 277,368.48
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Solution
The fourth proportional to 492,225.12, 679,273.44 and 277,368.48 is: 382,770.07
Step by Step Solution
- Step 1: Write the proportion equation
492,225.12 : 679,273.44 = 277,368.48 : x - Step 2: Convert to fraction form
492,225.12/679,273.44 = 277,368.48/x - Step 3: Cross multiply
492,225.12x = 679,273.44 × 277,368.48 - Step 4: Simplify right side
492,225.12x = 188,409,041,557.17 - Step 5: Solve for x
x = 188,409,041,557.17/492,225.12 - Step 6: Final answer
x = 382,770.07
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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.