Finding the Fourth Proportional to 478,775.12, 718,267.73 and 141,842.12
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Solution
The fourth proportional to 478,775.12, 718,267.73 and 141,842.12 is: 212,794.30
Step by Step Solution
- Step 1: Write the proportion equation
478,775.12 : 718,267.73 = 141,842.12 : x - Step 2: Convert to fraction form
478,775.12/718,267.73 = 141,842.12/x - Step 3: Cross multiply
478,775.12x = 718,267.73 × 141,842.12 - Step 4: Simplify right side
478,775.12x = 101,880,613,250.24 - Step 5: Solve for x
x = 101,880,613,250.24/478,775.12 - Step 6: Final answer
x = 212,794.30
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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.