Finding the Fourth Proportional to 468,216.20, 646,137.06 and 253,359.92
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Solution
The fourth proportional to 468,216.20, 646,137.06 and 253,359.92 is: 349,635.99
Step by Step Solution
- Step 1: Write the proportion equation
468,216.20 : 646,137.06 = 253,359.92 : x - Step 2: Convert to fraction form
468,216.20/646,137.06 = 253,359.92/x - Step 3: Cross multiply
468,216.20x = 646,137.06 × 253,359.92 - Step 4: Simplify right side
468,216.20x = 163,705,233,830.64 - Step 5: Solve for x
x = 163,705,233,830.64/468,216.20 - Step 6: Final answer
x = 349,635.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.