Finding the Fourth Proportional to 299,014.40, 448,521.60 and 205,235.84
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Solution
The fourth proportional to 299,014.40, 448,521.60 and 205,235.84 is: 307,853.76
Step by Step Solution
- Step 1: Write the proportion equation
299,014.40 : 448,521.60 = 205,235.84 : x - Step 2: Convert to fraction form
299,014.40/448,521.60 = 205,235.84/x - Step 3: Cross multiply
299,014.40x = 448,521.60 × 205,235.84 - Step 4: Simplify right side
299,014.40x = 92,052,709,225.08 - Step 5: Solve for x
x = 92,052,709,225.08/299,014.40 - Step 6: Final answer
x = 307,853.76
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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.