Finding the Fourth Proportional to 299,184.99, 412,867.09 and 163,218.90
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Solution
The fourth proportional to 299,184.99, 412,867.09 and 163,218.90 is: 225,237.61
Step by Step Solution
- Step 1: Write the proportion equation
299,184.99 : 412,867.09 = 163,218.90 : x - Step 2: Convert to fraction form
299,184.99/412,867.09 = 163,218.90/x - Step 3: Cross multiply
299,184.99x = 412,867.09 × 163,218.90 - Step 4: Simplify right side
299,184.99x = 67,387,711,017.32 - Step 5: Solve for x
x = 67,387,711,017.32/299,184.99 - Step 6: Final answer
x = 225,237.61
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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.