Finding the Fourth Proportional to 537,498.84, 806,178.60 and 221,913.12
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Solution
The fourth proportional to 537,498.84, 806,178.60 and 221,913.12 is: 332,840.92
Step by Step Solution
- Step 1: Write the proportion equation
537,498.84 : 806,178.60 = 221,913.12 : x - Step 2: Convert to fraction form
537,498.84/806,178.60 = 221,913.12/x - Step 3: Cross multiply
537,498.84x = 806,178.60 × 221,913.12 - Step 4: Simplify right side
537,498.84x = 178,901,608,403.23 - Step 5: Solve for x
x = 178,901,608,403.23/537,498.84 - Step 6: Final answer
x = 332,840.92
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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.