Finding the Fourth Proportional to 358,490.95, 494,731.60 and 197,360.99
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Solution
The fourth proportional to 358,490.95, 494,731.60 and 197,360.99 is: 272,365.92
Step by Step Solution
- Step 1: Write the proportion equation
358,490.95 : 494,731.60 = 197,360.99 : x - Step 2: Convert to fraction form
358,490.95/494,731.60 = 197,360.99/x - Step 3: Cross multiply
358,490.95x = 494,731.60 × 197,360.99 - Step 4: Simplify right side
358,490.95x = 97,640,717,248.47 - Step 5: Solve for x
x = 97,640,717,248.47/358,490.95 - Step 6: Final answer
x = 272,365.92
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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.