Finding the Fourth Proportional to 268,602.69, 370,663.87 and 147,743.94
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Solution
The fourth proportional to 268,602.69, 370,663.87 and 147,743.94 is: 203,882.32
Step by Step Solution
- Step 1: Write the proportion equation
268,602.69 : 370,663.87 = 147,743.94 : x - Step 2: Convert to fraction form
268,602.69/370,663.87 = 147,743.94/x - Step 3: Cross multiply
268,602.69x = 370,663.87 × 147,743.94 - Step 4: Simplify right side
268,602.69x = 54,763,340,569.45 - Step 5: Solve for x
x = 54,763,340,569.45/268,602.69 - Step 6: Final answer
x = 203,882.32
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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.