Finding the Fourth Proportional to 372,699.20, 559,053.66 and 106,468.40
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Solution
The fourth proportional to 372,699.20, 559,053.66 and 106,468.40 is: 159,703.99
Step by Step Solution
- Step 1: Write the proportion equation
372,699.20 : 559,053.66 = 106,468.40 : x - Step 2: Convert to fraction form
372,699.20/559,053.66 = 106,468.40/x - Step 3: Cross multiply
372,699.20x = 559,053.66 × 106,468.40 - Step 4: Simplify right side
372,699.20x = 59,521,548,694.34 - Step 5: Solve for x
x = 59,521,548,694.34/372,699.20 - Step 6: Final answer
x = 159,703.99
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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.