Finding the Fourth Proportional to 358,708.45, 495,020.82 and 197,569.08
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Solution
The fourth proportional to 358,708.45, 495,020.82 and 197,569.08 is: 272,647.07
Step by Step Solution
- Step 1: Write the proportion equation
358,708.45 : 495,020.82 = 197,569.08 : x - Step 2: Convert to fraction form
358,708.45/495,020.82 = 197,569.08/x - Step 3: Cross multiply
358,708.45x = 495,020.82 × 197,569.08 - Step 4: Simplify right side
358,708.45x = 97,800,807,988.25 - Step 5: Solve for x
x = 97,800,807,988.25/358,708.45 - Step 6: Final answer
x = 272,647.07
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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.