Finding the Fourth Proportional to 451,805.60, 676,930.80 and 293,952.80
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Solution
The fourth proportional to 451,805.60, 676,930.80 and 293,952.80 is: 440,423.28
Step by Step Solution
- Step 1: Write the proportion equation
451,805.60 : 676,930.80 = 293,952.80 : x - Step 2: Convert to fraction form
451,805.60/676,930.80 = 293,952.80/x - Step 3: Cross multiply
451,805.60x = 676,930.80 × 293,952.80 - Step 4: Simplify right side
451,805.60x = 198,985,704,066.24 - Step 5: Solve for x
x = 198,985,704,066.24/451,805.60 - Step 6: Final answer
x = 440,423.28
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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.