Finding the Fourth Proportional to 298,267.80, 411,616.61 and 169,214.99
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Solution
The fourth proportional to 298,267.80, 411,616.61 and 169,214.99 is: 233,520.68
Step by Step Solution
- Step 1: Write the proportion equation
298,267.80 : 411,616.61 = 169,214.99 : x - Step 2: Convert to fraction form
298,267.80/411,616.61 = 169,214.99/x - Step 3: Cross multiply
298,267.80x = 411,616.61 × 169,214.99 - Step 4: Simplify right side
298,267.80x = 69,651,700,544.98 - Step 5: Solve for x
x = 69,651,700,544.98/298,267.80 - Step 6: Final answer
x = 233,520.68
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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.