Finding the Fourth Proportional to 358,955.93, 495,362.49 and 197,816.74
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Solution
The fourth proportional to 358,955.93, 495,362.49 and 197,816.74 is: 272,988.92
Step by Step Solution
- Step 1: Write the proportion equation
358,955.93 : 495,362.49 = 197,816.74 : x - Step 2: Convert to fraction form
358,955.93/495,362.49 = 197,816.74/x - Step 3: Cross multiply
358,955.93x = 495,362.49 × 197,816.74 - Step 4: Simplify right side
358,955.93x = 97,990,992,890.08 - Step 5: Solve for x
x = 97,990,992,890.08/358,955.93 - Step 6: Final answer
x = 272,988.92
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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.