Finding the Fourth Proportional to 517,519.53, 776,316.96 and 162,530.55
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Solution
The fourth proportional to 517,519.53, 776,316.96 and 162,530.55 is: 243,807.65
Step by Step Solution
- Step 1: Write the proportion equation
517,519.53 : 776,316.96 = 162,530.55 : x - Step 2: Convert to fraction form
517,519.53/776,316.96 = 162,530.55/x - Step 3: Cross multiply
517,519.53x = 776,316.96 × 162,530.55 - Step 4: Simplify right side
517,519.53x = 126,175,222,483.13 - Step 5: Solve for x
x = 126,175,222,483.13/517,519.53 - Step 6: Final answer
x = 243,807.65
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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.