Finding the Fourth Proportional to 145,608.18, 218,445.03 and 56,886.99
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Solution
The fourth proportional to 145,608.18, 218,445.03 and 56,886.99 is: 85,343.28
Step by Step Solution
- Step 1: Write the proportion equation
145,608.18 : 218,445.03 = 56,886.99 : x - Step 2: Convert to fraction form
145,608.18/218,445.03 = 56,886.99/x - Step 3: Cross multiply
145,608.18x = 218,445.03 × 56,886.99 - Step 4: Simplify right side
145,608.18x = 12,426,680,237.16 - Step 5: Solve for x
x = 12,426,680,237.16/145,608.18 - Step 6: Final answer
x = 85,343.28
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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.