Finding the Fourth Proportional to 313,432.92, 432,534.06 and 177,463.08
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Solution
The fourth proportional to 313,432.92, 432,534.06 and 177,463.08 is: 244,897.14
Step by Step Solution
- Step 1: Write the proportion equation
313,432.92 : 432,534.06 = 177,463.08 : x - Step 2: Convert to fraction form
313,432.92/432,534.06 = 177,463.08/x - Step 3: Cross multiply
313,432.92x = 432,534.06 × 177,463.08 - Step 4: Simplify right side
313,432.92x = 76,758,826,492.50 - Step 5: Solve for x
x = 76,758,826,492.50/313,432.92 - Step 6: Final answer
x = 244,897.14
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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.