Finding the Fourth Proportional to 468,360.56, 646,178.99 and 304,942.46
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Solution
The fourth proportional to 468,360.56, 646,178.99 and 304,942.46 is: 420,717.33
Step by Step Solution
- Step 1: Write the proportion equation
468,360.56 : 646,178.99 = 304,942.46 : x - Step 2: Convert to fraction form
468,360.56/646,178.99 = 304,942.46/x - Step 3: Cross multiply
468,360.56x = 646,178.99 × 304,942.46 - Step 4: Simplify right side
468,360.56x = 197,047,406,055.31 - Step 5: Solve for x
x = 197,047,406,055.31/468,360.56 - Step 6: Final answer
x = 420,717.33
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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.