Finding the Fourth Proportional to 114,657.58, 171,953.16 and 39,774.70
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Solution
The fourth proportional to 114,657.58, 171,953.16 and 39,774.70 is: 59,650.53
Step by Step Solution
- Step 1: Write the proportion equation
114,657.58 : 171,953.16 = 39,774.70 : x - Step 2: Convert to fraction form
114,657.58/171,953.16 = 39,774.70/x - Step 3: Cross multiply
114,657.58x = 171,953.16 × 39,774.70 - Step 4: Simplify right side
114,657.58x = 6,839,385,353.05 - Step 5: Solve for x
x = 6,839,385,353.05/114,657.58 - Step 6: Final answer
x = 59,650.53
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1.5x scale
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.