Finding the Fourth Proportional to 537,468.17, 806,230.49 and 138,111.63
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Solution
The fourth proportional to 537,468.17, 806,230.49 and 138,111.63 is: 207,174.70
Step by Step Solution
- Step 1: Write the proportion equation
537,468.17 : 806,230.49 = 138,111.63 : x - Step 2: Convert to fraction form
537,468.17/806,230.49 = 138,111.63/x - Step 3: Cross multiply
537,468.17x = 806,230.49 × 138,111.63 - Step 4: Simplify right side
537,468.17x = 111,349,806,439.04 - Step 5: Solve for x
x = 111,349,806,439.04/537,468.17 - Step 6: Final answer
x = 207,174.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.