Finding the Fourth Proportional to 478,778.96, 718,273.62 and 141,846.08
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Solution
The fourth proportional to 478,778.96, 718,273.62 and 141,846.08 is: 212,800.28
Step by Step Solution
- Step 1: Write the proportion equation
478,778.96 : 718,273.62 = 141,846.08 : x - Step 2: Convert to fraction form
478,778.96/718,273.62 = 141,846.08/x - Step 3: Cross multiply
478,778.96x = 718,273.62 × 141,846.08 - Step 4: Simplify right side
478,778.96x = 101,884,297,364.41 - Step 5: Solve for x
x = 101,884,297,364.41/478,778.96 - Step 6: Final answer
x = 212,800.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.