Finding the Fourth Proportional to 146,331.08, 201,937.86 and 79,263.08
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Solution
The fourth proportional to 146,331.08, 201,937.86 and 79,263.08 is: 109,383.58
Step by Step Solution
- Step 1: Write the proportion equation
146,331.08 : 201,937.86 = 79,263.08 : x - Step 2: Convert to fraction form
146,331.08/201,937.86 = 79,263.08/x - Step 3: Cross multiply
146,331.08x = 201,937.86 × 79,263.08 - Step 4: Simplify right side
146,331.08x = 16,006,216,752.21 - Step 5: Solve for x
x = 16,006,216,752.21/146,331.08 - Step 6: Final answer
x = 109,383.58
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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.