Finding the Fourth Proportional to 509,497.25, 701,891.01 and 356,248.70
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Solution
The fourth proportional to 509,497.25, 701,891.01 and 356,248.70 is: 490,773.52
Step by Step Solution
- Step 1: Write the proportion equation
509,497.25 : 701,891.01 = 356,248.70 : x - Step 2: Convert to fraction form
509,497.25/701,891.01 = 356,248.70/x - Step 3: Cross multiply
509,497.25x = 701,891.01 × 356,248.70 - Step 4: Simplify right side
509,497.25x = 250,047,759,854.19 - Step 5: Solve for x
x = 250,047,759,854.19/509,497.25 - Step 6: Final answer
x = 490,773.52
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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.