Finding the Fourth Proportional to 516,894.45, 713,209.81 and 301,992.99
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Solution
The fourth proportional to 516,894.45, 713,209.81 and 301,992.99 is: 416,689.26
Step by Step Solution
- Step 1: Write the proportion equation
516,894.45 : 713,209.81 = 301,992.99 : x - Step 2: Convert to fraction form
516,894.45/713,209.81 = 301,992.99/x - Step 3: Cross multiply
516,894.45x = 713,209.81 × 301,992.99 - Step 4: Simplify right side
516,894.45x = 215,384,364,167.76 - Step 5: Solve for x
x = 215,384,364,167.76/516,894.45 - Step 6: Final answer
x = 416,689.26
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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.