Finding the Fourth Proportional to 478,378.06, 717,549.11 and 118,549.96
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Solution
The fourth proportional to 478,378.06, 717,549.11 and 118,549.96 is: 177,820.48
Step by Step Solution
- Step 1: Write the proportion equation
478,378.06 : 717,549.11 = 118,549.96 : x - Step 2: Convert to fraction form
478,378.06/717,549.11 = 118,549.96/x - Step 3: Cross multiply
478,378.06x = 717,549.11 × 118,549.96 - Step 4: Simplify right side
478,378.06x = 85,065,416,346.48 - Step 5: Solve for x
x = 85,065,416,346.48/478,378.06 - Step 6: Final answer
x = 177,820.48
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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.