Finding the Fourth Proportional to 163,585.24, 225,607.68 and 112,679.17
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Solution
The fourth proportional to 163,585.24, 225,607.68 and 112,679.17 is: 155,400.85
Step by Step Solution
- Step 1: Write the proportion equation
163,585.24 : 225,607.68 = 112,679.17 : x - Step 2: Convert to fraction form
163,585.24/225,607.68 = 112,679.17/x - Step 3: Cross multiply
163,585.24x = 225,607.68 × 112,679.17 - Step 4: Simplify right side
163,585.24x = 25,421,286,128.03 - Step 5: Solve for x
x = 25,421,286,128.03/163,585.24 - Step 6: Final answer
x = 155,400.85
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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.