Finding the Fourth Proportional to 537,409.97, 805,229.21 and 312,138.03
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Solution
The fourth proportional to 537,409.97, 805,229.21 and 312,138.03 is: 467,692.59
Step by Step Solution
- Step 1: Write the proportion equation
537,409.97 : 805,229.21 = 312,138.03 : x - Step 2: Convert to fraction form
537,409.97/805,229.21 = 312,138.03/x - Step 3: Cross multiply
537,409.97x = 805,229.21 × 312,138.03 - Step 4: Simplify right side
537,409.97x = 251,342,660,088.20 - Step 5: Solve for x
x = 251,342,660,088.20/537,409.97 - Step 6: Final answer
x = 467,692.59
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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.