Finding the Fourth Proportional to 359,730.49, 496,415.05 and 198,582.07
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Solution
The fourth proportional to 359,730.49, 496,415.05 and 198,582.07 is: 274,036.06
Step by Step Solution
- Step 1: Write the proportion equation
359,730.49 : 496,415.05 = 198,582.07 : x - Step 2: Convert to fraction form
359,730.49/496,415.05 = 198,582.07/x - Step 3: Cross multiply
359,730.49x = 496,415.05 × 198,582.07 - Step 4: Simplify right side
359,730.49x = 98,579,126,470.66 - Step 5: Solve for x
x = 98,579,126,470.66/359,730.49 - Step 6: Final answer
x = 274,036.06
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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.