Finding the Fourth Proportional to 668,555.20, 922,551.20 and 366,749.28
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Solution
The fourth proportional to 668,555.20, 922,551.20 and 366,749.28 is: 506,083.85
Step by Step Solution
- Step 1: Write the proportion equation
668,555.20 : 922,551.20 = 366,749.28 : x - Step 2: Convert to fraction form
668,555.20/922,551.20 = 366,749.28/x - Step 3: Cross multiply
668,555.20x = 922,551.20 × 366,749.28 - Step 4: Simplify right side
668,555.20x = 338,344,988,363.14 - Step 5: Solve for x
x = 338,344,988,363.14/668,555.20 - Step 6: Final answer
x = 506,083.85
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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.