Finding the Fourth Proportional to 313,187.61, 432,192.90 and 177,219.08
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Solution
The fourth proportional to 313,187.61, 432,192.90 and 177,219.08 is: 244,558.93
Step by Step Solution
- Step 1: Write the proportion equation
313,187.61 : 432,192.90 = 177,219.08 : x - Step 2: Convert to fraction form
313,187.61/432,192.90 = 177,219.08/x - Step 3: Cross multiply
313,187.61x = 432,192.90 × 177,219.08 - Step 4: Simplify right side
313,187.61x = 76,592,827,040.05 - Step 5: Solve for x
x = 76,592,827,040.05/313,187.61 - Step 6: Final answer
x = 244,558.93
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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.