Finding the Fourth Proportional to 478,320.99, 717,232.23 and 178,555.02
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Solution
The fourth proportional to 478,320.99, 717,232.23 and 178,555.02 is: 267,739.48
Step by Step Solution
- Step 1: Write the proportion equation
478,320.99 : 717,232.23 = 178,555.02 : x - Step 2: Convert to fraction form
478,320.99/717,232.23 = 178,555.02/x - Step 3: Cross multiply
478,320.99x = 717,232.23 × 178,555.02 - Step 4: Simplify right side
478,320.99x = 128,065,415,172.30 - Step 5: Solve for x
x = 128,065,415,172.30/478,320.99 - Step 6: Final answer
x = 267,739.48
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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.