Finding the Fourth Proportional to 358,335.79, 494,490.99 and 197,175.76
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Solution
The fourth proportional to 358,335.79, 494,490.99 and 197,175.76 is: 272,095.73
Step by Step Solution
- Step 1: Write the proportion equation
358,335.79 : 494,490.99 = 197,175.76 : x - Step 2: Convert to fraction form
358,335.79/494,490.99 = 197,175.76/x - Step 3: Cross multiply
358,335.79x = 494,490.99 × 197,175.76 - Step 4: Simplify right side
358,335.79x = 97,501,636,766.40 - Step 5: Solve for x
x = 97,501,636,766.40/358,335.79 - Step 6: Final answer
x = 272,095.73
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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.