Finding the Fourth Proportional to 114,235.84, 171,353.76 and 31,142.08
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Solution
The fourth proportional to 114,235.84, 171,353.76 and 31,142.08 is: 46,713.12
Step by Step Solution
- Step 1: Write the proportion equation
114,235.84 : 171,353.76 = 31,142.08 : x - Step 2: Convert to fraction form
114,235.84/171,353.76 = 31,142.08/x - Step 3: Cross multiply
114,235.84x = 171,353.76 × 31,142.08 - Step 4: Simplify right side
114,235.84x = 5,336,312,502.22 - Step 5: Solve for x
x = 5,336,312,502.22/114,235.84 - Step 6: Final answer
x = 46,713.12
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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.