Finding the Fourth Proportional to 929,204.10, 1,393,806.15 and 368,165.70
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Solution
The fourth proportional to 929,204.10, 1,393,806.15 and 368,165.70 is: 552,248.55
Step by Step Solution
- Step 1: Write the proportion equation
929,204.10 : 1,393,806.15 = 368,165.70 : x - Step 2: Convert to fraction form
929,204.10/1,393,806.15 = 368,165.70/x - Step 3: Cross multiply
929,204.10x = 1,393,806.15 × 368,165.70 - Step 4: Simplify right side
929,204.10x = 513,151,616,879.06 - Step 5: Solve for x
x = 513,151,616,879.06/929,204.10 - Step 6: Final answer
x = 552,248.55
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Similar ratio
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1.5x scale
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.