Finding the Fourth Proportional to 745,800.38, 1,117,951.50 and 239,989.62
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Solution
The fourth proportional to 745,800.38, 1,117,951.50 and 239,989.62 is: 359,743.39
Step by Step Solution
- Step 1: Write the proportion equation
745,800.38 : 1,117,951.50 = 239,989.62 : x - Step 2: Convert to fraction form
745,800.38/1,117,951.50 = 239,989.62/x - Step 3: Cross multiply
745,800.38x = 1,117,951.50 × 239,989.62 - Step 4: Simplify right side
745,800.38x = 268,296,755,663.43 - Step 5: Solve for x
x = 268,296,755,663.43/745,800.38 - Step 6: Final answer
x = 359,743.39
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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.