Finding the Fourth Proportional to 619,216.17, 854,525.34 and 343,578.99
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Solution
The fourth proportional to 619,216.17, 854,525.34 and 343,578.99 is: 474,142.90
Step by Step Solution
- Step 1: Write the proportion equation
619,216.17 : 854,525.34 = 343,578.99 : x - Step 2: Convert to fraction form
619,216.17/854,525.34 = 343,578.99/x - Step 3: Cross multiply
619,216.17x = 854,525.34 × 343,578.99 - Step 4: Simplify right side
619,216.17x = 293,596,953,246.61 - Step 5: Solve for x
x = 293,596,953,246.61/619,216.17 - Step 6: Final answer
x = 474,142.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.