Finding the Fourth Proportional to 359,128.49, 495,642.17 and 206,214.53
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Solution
The fourth proportional to 359,128.49, 495,642.17 and 206,214.53 is: 284,601.81
Step by Step Solution
- Step 1: Write the proportion equation
359,128.49 : 495,642.17 = 206,214.53 : x - Step 2: Convert to fraction form
359,128.49/495,642.17 = 206,214.53/x - Step 3: Cross multiply
359,128.49x = 495,642.17 × 206,214.53 - Step 4: Simplify right side
359,128.49x = 102,208,615,172.06 - Step 5: Solve for x
x = 102,208,615,172.06/359,128.49 - Step 6: Final answer
x = 284,601.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.