Finding the Fourth Proportional to 492,177.06, 679,022.19 and 288,193.14
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Solution
The fourth proportional to 492,177.06, 679,022.19 and 288,193.14 is: 397,599.87
Step by Step Solution
- Step 1: Write the proportion equation
492,177.06 : 679,022.19 = 288,193.14 : x - Step 2: Convert to fraction form
492,177.06/679,022.19 = 288,193.14/x - Step 3: Cross multiply
492,177.06x = 679,022.19 × 288,193.14 - Step 4: Simplify right side
492,177.06x = 195,689,537,065.78 - Step 5: Solve for x
x = 195,689,537,065.78/492,177.06 - Step 6: Final answer
x = 397,599.87
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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.