Finding the Fourth Proportional to 498,594.81, 688,062.66 and 272,240.31
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Solution
The fourth proportional to 498,594.81, 688,062.66 and 272,240.31 is: 375,692.62
Step by Step Solution
- Step 1: Write the proportion equation
498,594.81 : 688,062.66 = 272,240.31 : x - Step 2: Convert to fraction form
498,594.81/688,062.66 = 272,240.31/x - Step 3: Cross multiply
498,594.81x = 688,062.66 × 272,240.31 - Step 4: Simplify right side
498,594.81x = 187,318,391,857.83 - Step 5: Solve for x
x = 187,318,391,857.83/498,594.81 - Step 6: Final answer
x = 375,692.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.