Finding the Fourth Proportional to 145,750.08, 218,625.13 and 83,376.84
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Solution
The fourth proportional to 145,750.08, 218,625.13 and 83,376.84 is: 125,065.27
Step by Step Solution
- Step 1: Write the proportion equation
145,750.08 : 218,625.13 = 83,376.84 : x - Step 2: Convert to fraction form
145,750.08/218,625.13 = 83,376.84/x - Step 3: Cross multiply
145,750.08x = 218,625.13 × 83,376.84 - Step 4: Simplify right side
145,750.08x = 18,228,272,939.06 - Step 5: Solve for x
x = 18,228,272,939.06/145,750.08 - Step 6: Final answer
x = 125,065.27
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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.