Finding the Fourth Proportional to 114,478.08, 157,974.30 and 63,486.84
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Solution
The fourth proportional to 114,478.08, 157,974.30 and 63,486.84 is: 87,608.82
Step by Step Solution
- Step 1: Write the proportion equation
114,478.08 : 157,974.30 = 63,486.84 : x - Step 2: Convert to fraction form
114,478.08/157,974.30 = 63,486.84/x - Step 3: Cross multiply
114,478.08x = 157,974.30 × 63,486.84 - Step 4: Simplify right side
114,478.08x = 10,029,289,108.21 - Step 5: Solve for x
x = 10,029,289,108.21/114,478.08 - Step 6: Final answer
x = 87,608.82
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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.