Finding the Fourth Proportional to 478,089.14, 717,211.60 and 141,163.86
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Solution
The fourth proportional to 478,089.14, 717,211.60 and 141,163.86 is: 211,768.80
Step by Step Solution
- Step 1: Write the proportion equation
478,089.14 : 717,211.60 = 141,163.86 : x - Step 2: Convert to fraction form
478,089.14/717,211.60 = 141,163.86/x - Step 3: Cross multiply
478,089.14x = 717,211.60 × 141,163.86 - Step 4: Simplify right side
478,089.14x = 101,244,360,229.41 - Step 5: Solve for x
x = 101,244,360,229.41/478,089.14 - Step 6: Final answer
x = 211,768.80
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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.