Finding the Fourth Proportional to 536,876.76, 805,296.68 and 137,520.99
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Solution
The fourth proportional to 536,876.76, 805,296.68 and 137,520.99 is: 206,276.76
Step by Step Solution
- Step 1: Write the proportion equation
536,876.76 : 805,296.68 = 137,520.99 : x - Step 2: Convert to fraction form
536,876.76/805,296.68 = 137,520.99/x - Step 3: Cross multiply
536,876.76x = 805,296.68 × 137,520.99 - Step 4: Simplify right side
536,876.76x = 110,745,197,278.97 - Step 5: Solve for x
x = 110,745,197,278.97/536,876.76 - Step 6: Final answer
x = 206,276.76
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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.