Finding the Fourth Proportional to 429,677.69, 644,549.34 and 130,183.08
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Solution
The fourth proportional to 429,677.69, 644,549.34 and 130,183.08 is: 195,284.56
Step by Step Solution
- Step 1: Write the proportion equation
429,677.69 : 644,549.34 = 130,183.08 : x - Step 2: Convert to fraction form
429,677.69/644,549.34 = 130,183.08/x - Step 3: Cross multiply
429,677.69x = 644,549.34 × 130,183.08 - Step 4: Simplify right side
429,677.69x = 83,909,418,293.17 - Step 5: Solve for x
x = 83,909,418,293.17/429,677.69 - Step 6: Final answer
x = 195,284.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.