Finding the Fourth Proportional to 304,682.04, 420,456.05 and 168,713.08
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Solution
The fourth proportional to 304,682.04, 420,456.05 and 168,713.08 is: 232,821.19
Step by Step Solution
- Step 1: Write the proportion equation
304,682.04 : 420,456.05 = 168,713.08 : x - Step 2: Convert to fraction form
304,682.04/420,456.05 = 168,713.08/x - Step 3: Cross multiply
304,682.04x = 420,456.05 × 168,713.08 - Step 4: Simplify right side
304,682.04x = 70,936,433,938.10 - Step 5: Solve for x
x = 70,936,433,938.10/304,682.04 - Step 6: Final answer
x = 232,821.19
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1.5x scale
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.