Finding the Fourth Proportional to 276,750.60, 415,125.90 and 77,101.80
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Solution
The fourth proportional to 276,750.60, 415,125.90 and 77,101.80 is: 115,652.70
Step by Step Solution
- Step 1: Write the proportion equation
276,750.60 : 415,125.90 = 77,101.80 : x - Step 2: Convert to fraction form
276,750.60/415,125.90 = 77,101.80/x - Step 3: Cross multiply
276,750.60x = 415,125.90 × 77,101.80 - Step 4: Simplify right side
276,750.60x = 32,006,954,116.62 - Step 5: Solve for x
x = 32,006,954,116.62/276,750.60 - Step 6: Final answer
x = 115,652.70
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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.