Finding the Fourth Proportional to 377,515.79, 520,971.86 and 207,749.91
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Solution
The fourth proportional to 377,515.79, 520,971.86 and 207,749.91 is: 286,694.92
Step by Step Solution
- Step 1: Write the proportion equation
377,515.79 : 520,971.86 = 207,749.91 : x - Step 2: Convert to fraction form
377,515.79/520,971.86 = 207,749.91/x - Step 3: Cross multiply
377,515.79x = 520,971.86 × 207,749.91 - Step 4: Simplify right side
377,515.79x = 108,231,857,546.91 - Step 5: Solve for x
x = 108,231,857,546.91/377,515.79 - Step 6: Final answer
x = 286,694.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.