Finding the Fourth Proportional to 358,728.99, 495,068.43 and 197,583.99
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Solution
The fourth proportional to 358,728.99, 495,068.43 and 197,583.99 is: 272,678.26
Step by Step Solution
- Step 1: Write the proportion equation
358,728.99 : 495,068.43 = 197,583.99 : x - Step 2: Convert to fraction form
358,728.99/495,068.43 = 197,583.99/x - Step 3: Cross multiply
358,728.99x = 495,068.43 × 197,583.99 - Step 4: Simplify right side
358,728.99x = 97,817,595,722.44 - Step 5: Solve for x
x = 97,817,595,722.44/358,728.99 - Step 6: Final answer
x = 272,678.26
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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.