Finding the Fourth Proportional to 159,333.34, 238,655.97 and 74,967.08
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Solution
The fourth proportional to 159,333.34, 238,655.97 and 74,967.08 is: 112,288.75
Step by Step Solution
- Step 1: Write the proportion equation
159,333.34 : 238,655.97 = 74,967.08 : x - Step 2: Convert to fraction form
159,333.34/238,655.97 = 74,967.08/x - Step 3: Cross multiply
159,333.34x = 238,655.97 × 74,967.08 - Step 4: Simplify right side
159,333.34x = 17,891,341,195.47 - Step 5: Solve for x
x = 17,891,341,195.47/159,333.34 - Step 6: Final answer
x = 112,288.75
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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.