Finding the Fourth Proportional to 576,014.40, 864,211.14 and 272,538.99
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Solution
The fourth proportional to 576,014.40, 864,211.14 and 272,538.99 is: 408,898.17
Step by Step Solution
- Step 1: Write the proportion equation
576,014.40 : 864,211.14 = 272,538.99 : x - Step 2: Convert to fraction form
576,014.40/864,211.14 = 272,538.99/x - Step 3: Cross multiply
576,014.40x = 864,211.14 × 272,538.99 - Step 4: Simplify right side
576,014.40x = 235,531,231,242.35 - Step 5: Solve for x
x = 235,531,231,242.35/576,014.40 - Step 6: Final answer
x = 408,898.17
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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.