Finding the Fourth Proportional to 681,221.24, 940,159.19 and 375,328.99
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Solution
The fourth proportional to 681,221.24, 940,159.19 and 375,328.99 is: 517,994.71
Step by Step Solution
- Step 1: Write the proportion equation
681,221.24 : 940,159.19 = 375,328.99 : x - Step 2: Convert to fraction form
681,221.24/940,159.19 = 375,328.99/x - Step 3: Cross multiply
681,221.24x = 940,159.19 × 375,328.99 - Step 4: Simplify right side
681,221.24x = 352,868,999,221.92 - Step 5: Solve for x
x = 352,868,999,221.92/681,221.24 - Step 6: Final answer
x = 517,994.71
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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.