Finding the Fourth Proportional to 617,135.92, 851,304.64 and 358,983.80
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Solution
The fourth proportional to 617,135.92, 851,304.64 and 358,983.80 is: 495,198.17
Step by Step Solution
- Step 1: Write the proportion equation
617,135.92 : 851,304.64 = 358,983.80 : x - Step 2: Convert to fraction form
617,135.92/851,304.64 = 358,983.80/x - Step 3: Cross multiply
617,135.92x = 851,304.64 × 358,983.80 - Step 4: Simplify right side
617,135.92x = 305,604,575,855.63 - Step 5: Solve for x
x = 305,604,575,855.63/617,135.92 - Step 6: Final answer
x = 495,198.17
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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.