Finding the Fourth Proportional to 756,691.55, 1,135,041.42 and 224,217.19
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Solution
The fourth proportional to 756,691.55, 1,135,041.42 and 224,217.19 is: 336,326.99
Step by Step Solution
- Step 1: Write the proportion equation
756,691.55 : 1,135,041.42 = 224,217.19 : x - Step 2: Convert to fraction form
756,691.55/1,135,041.42 = 224,217.19/x - Step 3: Cross multiply
756,691.55x = 1,135,041.42 × 224,217.19 - Step 4: Simplify right side
756,691.55x = 254,495,792,050.80 - Step 5: Solve for x
x = 254,495,792,050.80/756,691.55 - Step 6: Final answer
x = 336,326.99
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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.