Finding the Fourth Proportional to 498,282.18, 747,434.81 and 178,455.97
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Solution
The fourth proportional to 498,282.18, 747,434.81 and 178,455.97 is: 267,688.09
Step by Step Solution
- Step 1: Write the proportion equation
498,282.18 : 747,434.81 = 178,455.97 : x - Step 2: Convert to fraction form
498,282.18/747,434.81 = 178,455.97/x - Step 3: Cross multiply
498,282.18x = 747,434.81 × 178,455.97 - Step 4: Simplify right side
498,282.18x = 133,384,204,030.32 - Step 5: Solve for x
x = 133,384,204,030.32/498,282.18 - Step 6: Final answer
x = 267,688.09
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1.5x scale
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.