Finding the Fourth Proportional to 478,110.30, 717,243.27 and 141,184.99
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Solution
The fourth proportional to 478,110.30, 717,243.27 and 141,184.99 is: 211,800.47
Step by Step Solution
- Step 1: Write the proportion equation
478,110.30 : 717,243.27 = 141,184.99 : x - Step 2: Convert to fraction form
478,110.30/717,243.27 = 141,184.99/x - Step 3: Cross multiply
478,110.30x = 717,243.27 × 141,184.99 - Step 4: Simplify right side
478,110.30x = 101,263,983,902.52 - Step 5: Solve for x
x = 101,263,983,902.52/478,110.30 - Step 6: Final answer
x = 211,800.47
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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.