Finding the Fourth Proportional to 406,328.39, 608,932.08 and 306,378.75
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Solution
The fourth proportional to 406,328.39, 608,932.08 and 306,378.75 is: 459,145.50
Step by Step Solution
- Step 1: Write the proportion equation
406,328.39 : 608,932.08 = 306,378.75 : x - Step 2: Convert to fraction form
406,328.39/608,932.08 = 306,378.75/x - Step 3: Cross multiply
406,328.39x = 608,932.08 × 306,378.75 - Step 4: Simplify right side
406,328.39x = 186,563,849,505.30 - Step 5: Solve for x
x = 186,563,849,505.30/406,328.39 - Step 6: Final answer
x = 459,145.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.