Finding the Fourth Proportional to 219,163.68, 302,442.92 and 122,369.02
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Solution
The fourth proportional to 219,163.68, 302,442.92 and 122,369.02 is: 168,867.60
Step by Step Solution
- Step 1: Write the proportion equation
219,163.68 : 302,442.92 = 122,369.02 : x - Step 2: Convert to fraction form
219,163.68/302,442.92 = 122,369.02/x - Step 3: Cross multiply
219,163.68x = 302,442.92 × 122,369.02 - Step 4: Simplify right side
219,163.68x = 37,009,643,726.34 - Step 5: Solve for x
x = 37,009,643,726.34/219,163.68 - Step 6: Final answer
x = 168,867.60
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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.