Finding the Fourth Proportional to 406,948.80, 610,277.40 and 207,202.80
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Solution
The fourth proportional to 406,948.80, 610,277.40 and 207,202.80 is: 310,729.96
Step by Step Solution
- Step 1: Write the proportion equation
406,948.80 : 610,277.40 = 207,202.80 : x - Step 2: Convert to fraction form
406,948.80/610,277.40 = 207,202.80/x - Step 3: Cross multiply
406,948.80x = 610,277.40 × 207,202.80 - Step 4: Simplify right side
406,948.80x = 126,451,186,056.72 - Step 5: Solve for x
x = 126,451,186,056.72/406,948.80 - Step 6: Final answer
x = 310,729.96
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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.