Finding the Fourth Proportional to 516,033.12, 712,230.50 and 298,251.05
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Solution
The fourth proportional to 516,033.12, 712,230.50 and 298,251.05 is: 411,647.01
Step by Step Solution
- Step 1: Write the proportion equation
516,033.12 : 712,230.50 = 298,251.05 : x - Step 2: Convert to fraction form
516,033.12/712,230.50 = 298,251.05/x - Step 3: Cross multiply
516,033.12x = 712,230.50 × 298,251.05 - Step 4: Simplify right side
516,033.12x = 212,423,492,975.77 - Step 5: Solve for x
x = 212,423,492,975.77/516,033.12 - Step 6: Final answer
x = 411,647.01
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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.