Finding the Fourth Proportional to 681,218.24, 940,155.05 and 375,325.99
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Solution
The fourth proportional to 681,218.24, 940,155.05 and 375,325.99 is: 517,990.57
Step by Step Solution
- Step 1: Write the proportion equation
681,218.24 : 940,155.05 = 375,325.99 : x - Step 2: Convert to fraction form
681,218.24/940,155.05 = 375,325.99/x - Step 3: Cross multiply
681,218.24x = 940,155.05 × 375,325.99 - Step 4: Simplify right side
681,218.24x = 352,864,623,482.68 - Step 5: Solve for x
x = 352,864,623,482.68/681,218.24 - Step 6: Final answer
x = 517,990.57
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1.5x scale
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.