Finding the Fourth Proportional to 369,006.30, 553,639.05 and 132,356.70
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Solution
The fourth proportional to 369,006.30, 553,639.05 and 132,356.70 is: 198,581.54
Step by Step Solution
- Step 1: Write the proportion equation
369,006.30 : 553,639.05 = 132,356.70 : x - Step 2: Convert to fraction form
369,006.30/553,639.05 = 132,356.70/x - Step 3: Cross multiply
369,006.30x = 553,639.05 × 132,356.70 - Step 4: Simplify right side
369,006.30x = 73,277,837,649.14 - Step 5: Solve for x
x = 73,277,837,649.14/369,006.30 - Step 6: Final answer
x = 198,581.54
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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.