Finding the Fourth Proportional to 465,823.05, 642,791.50 and 272,276.13
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Solution
The fourth proportional to 465,823.05, 642,791.50 and 272,276.13 is: 375,715.16
Step by Step Solution
- Step 1: Write the proportion equation
465,823.05 : 642,791.50 = 272,276.13 : x - Step 2: Convert to fraction form
465,823.05/642,791.50 = 272,276.13/x - Step 3: Cross multiply
465,823.05x = 642,791.50 × 272,276.13 - Step 4: Simplify right side
465,823.05x = 175,016,783,746.67 - Step 5: Solve for x
x = 175,016,783,746.67/465,823.05 - Step 6: Final answer
x = 375,715.16
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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.