Finding the Fourth Proportional to 147,346.43, 221,021.19 and 117,951.12
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Solution
The fourth proportional to 147,346.43, 221,021.19 and 117,951.12 is: 176,927.92
Step by Step Solution
- Step 1: Write the proportion equation
147,346.43 : 221,021.19 = 117,951.12 : x - Step 2: Convert to fraction form
147,346.43/221,021.19 = 117,951.12/x - Step 3: Cross multiply
147,346.43x = 221,021.19 × 117,951.12 - Step 4: Simplify right side
147,346.43x = 26,069,696,904.23 - Step 5: Solve for x
x = 26,069,696,904.23/147,346.43 - Step 6: Final answer
x = 176,927.92
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1.5x scale
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.