Finding the Fourth Proportional to 298,503.08, 447,754.70 and 98,769.80
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Solution
The fourth proportional to 298,503.08, 447,754.70 and 98,769.80 is: 148,154.73
Step by Step Solution
- Step 1: Write the proportion equation
298,503.08 : 447,754.70 = 98,769.80 : x - Step 2: Convert to fraction form
298,503.08/447,754.70 = 98,769.80/x - Step 3: Cross multiply
298,503.08x = 447,754.70 × 98,769.80 - Step 4: Simplify right side
298,503.08x = 44,224,642,168.06 - Step 5: Solve for x
x = 44,224,642,168.06/298,503.08 - Step 6: Final answer
x = 148,154.73
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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.