Finding the Fourth Proportional to 746,623.20, 1,119,934.80 and 185,657.70
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Solution
The fourth proportional to 746,623.20, 1,119,934.80 and 185,657.70 is: 278,486.55
Step by Step Solution
- Step 1: Write the proportion equation
746,623.20 : 1,119,934.80 = 185,657.70 : x - Step 2: Convert to fraction form
746,623.20/1,119,934.80 = 185,657.70/x - Step 3: Cross multiply
746,623.20x = 1,119,934.80 × 185,657.70 - Step 4: Simplify right side
746,623.20x = 207,924,519,117.96 - Step 5: Solve for x
x = 207,924,519,117.96/746,623.20 - Step 6: Final answer
x = 278,486.55
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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.