Finding the Fourth Proportional to 545,694.15, 753,065.76 and 313,158.99
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Solution
The fourth proportional to 545,694.15, 753,065.76 and 313,158.99 is: 432,163.90
Step by Step Solution
- Step 1: Write the proportion equation
545,694.15 : 753,065.76 = 313,158.99 : x - Step 2: Convert to fraction form
545,694.15/753,065.76 = 313,158.99/x - Step 3: Cross multiply
545,694.15x = 753,065.76 × 313,158.99 - Step 4: Simplify right side
545,694.15x = 235,829,312,805.18 - Step 5: Solve for x
x = 235,829,312,805.18/545,694.15 - Step 6: Final answer
x = 432,163.90
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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.