Finding the Fourth Proportional to 514,467.18, 771,670.89 and 154,630.26
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Solution
The fourth proportional to 514,467.18, 771,670.89 and 154,630.26 is: 231,936.41
Step by Step Solution
- Step 1: Write the proportion equation
514,467.18 : 771,670.89 = 154,630.26 : x - Step 2: Convert to fraction form
514,467.18/771,670.89 = 154,630.26/x - Step 3: Cross multiply
514,467.18x = 771,670.89 × 154,630.26 - Step 4: Simplify right side
514,467.18x = 119,323,670,355.13 - Step 5: Solve for x
x = 119,323,670,355.13/514,467.18 - Step 6: Final answer
x = 231,936.41
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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.