Finding the Fourth Proportional to 358,497.18, 494,729.46 and 197,355.42
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Solution
The fourth proportional to 358,497.18, 494,729.46 and 197,355.42 is: 272,352.32
Step by Step Solution
- Step 1: Write the proportion equation
358,497.18 : 494,729.46 = 197,355.42 : x - Step 2: Convert to fraction form
358,497.18/494,729.46 = 197,355.42/x - Step 3: Cross multiply
358,497.18x = 494,729.46 × 197,355.42 - Step 4: Simplify right side
358,497.18x = 97,637,540,364.67 - Step 5: Solve for x
x = 97,637,540,364.67/358,497.18 - Step 6: Final answer
x = 272,352.32
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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.