Finding the Fourth Proportional to 548,330.61, 822,143.55 and 228,702.99
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Solution
The fourth proportional to 548,330.61, 822,143.55 and 228,702.99 is: 342,907.52
Step by Step Solution
- Step 1: Write the proportion equation
548,330.61 : 822,143.55 = 228,702.99 : x - Step 2: Convert to fraction form
548,330.61/822,143.55 = 228,702.99/x - Step 3: Cross multiply
548,330.61x = 822,143.55 × 228,702.99 - Step 4: Simplify right side
548,330.61x = 188,026,688,094.22 - Step 5: Solve for x
x = 188,026,688,094.22/548,330.61 - Step 6: Final answer
x = 342,907.52
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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.