Finding the Fourth Proportional to 146,321.08, 201,924.06 and 79,253.08
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Solution
The fourth proportional to 146,321.08, 201,924.06 and 79,253.08 is: 109,369.78
Step by Step Solution
- Step 1: Write the proportion equation
146,321.08 : 201,924.06 = 79,253.08 : x - Step 2: Convert to fraction form
146,321.08/201,924.06 = 79,253.08/x - Step 3: Cross multiply
146,321.08x = 201,924.06 × 79,253.08 - Step 4: Simplify right side
146,321.08x = 16,003,103,681.10 - Step 5: Solve for x
x = 16,003,103,681.10/146,321.08 - Step 6: Final answer
x = 109,369.78
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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.