Finding the Fourth Proportional to 219,253.18, 302,561.84 and 122,462.14
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Solution
The fourth proportional to 219,253.18, 302,561.84 and 122,462.14 is: 168,993.54
Step by Step Solution
- Step 1: Write the proportion equation
219,253.18 : 302,561.84 = 122,462.14 : x - Step 2: Convert to fraction form
219,253.18/302,561.84 = 122,462.14/x - Step 3: Cross multiply
219,253.18x = 302,561.84 × 122,462.14 - Step 4: Simplify right side
219,253.18x = 37,052,370,408.74 - Step 5: Solve for x
x = 37,052,370,408.74/219,253.18 - Step 6: Final answer
x = 168,993.54
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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.