Finding the Fourth Proportional to 466,538.28, 644,132.70 and 358,918.44
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Solution
The fourth proportional to 466,538.28, 644,132.70 and 358,918.44 is: 495,545.84
Step by Step Solution
- Step 1: Write the proportion equation
466,538.28 : 644,132.70 = 358,918.44 : x - Step 2: Convert to fraction form
466,538.28/644,132.70 = 358,918.44/x - Step 3: Cross multiply
466,538.28x = 644,132.70 × 358,918.44 - Step 4: Simplify right side
466,538.28x = 231,191,103,836.99 - Step 5: Solve for x
x = 231,191,103,836.99/466,538.28 - Step 6: Final answer
x = 495,545.84
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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.