Finding the Fourth Proportional to 146,246.08, 201,820.44 and 79,178.08
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Solution
The fourth proportional to 146,246.08, 201,820.44 and 79,178.08 is: 109,266.21
Step by Step Solution
- Step 1: Write the proportion equation
146,246.08 : 201,820.44 = 79,178.08 : x - Step 2: Convert to fraction form
146,246.08/201,820.44 = 79,178.08/x - Step 3: Cross multiply
146,246.08x = 201,820.44 × 79,178.08 - Step 4: Simplify right side
146,246.08x = 15,979,754,943.96 - Step 5: Solve for x
x = 15,979,754,943.96/146,246.08 - Step 6: Final answer
x = 109,266.21
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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.