Finding the Fourth Proportional to 472,240.21, 708,151.87 and 135,204.38
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Solution
The fourth proportional to 472,240.21, 708,151.87 and 135,204.38 is: 202,746.89
Step by Step Solution
- Step 1: Write the proportion equation
472,240.21 : 708,151.87 = 135,204.38 : x - Step 2: Convert to fraction form
472,240.21/708,151.87 = 135,204.38/x - Step 3: Cross multiply
472,240.21x = 708,151.87 × 135,204.38 - Step 4: Simplify right side
472,240.21x = 95,745,234,529.19 - Step 5: Solve for x
x = 95,745,234,529.19/472,240.21 - Step 6: Final answer
x = 202,746.89
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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.