Finding the Fourth Proportional to 114,475.44, 157,985.28 and 63,493.20
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Solution
The fourth proportional to 114,475.44, 157,985.28 and 63,493.20 is: 87,625.70
Step by Step Solution
- Step 1: Write the proportion equation
114,475.44 : 157,985.28 = 63,493.20 : x - Step 2: Convert to fraction form
114,475.44/157,985.28 = 63,493.20/x - Step 3: Cross multiply
114,475.44x = 157,985.28 × 63,493.20 - Step 4: Simplify right side
114,475.44x = 10,030,990,980.10 - Step 5: Solve for x
x = 10,030,990,980.10/114,475.44 - Step 6: Final answer
x = 87,625.70
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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.