Finding the Fourth Proportional to 305,195.60, 457,750.20 and 94,854.80
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Solution
The fourth proportional to 305,195.60, 457,750.20 and 94,854.80 is: 142,268.77
Step by Step Solution
- Step 1: Write the proportion equation
305,195.60 : 457,750.20 = 94,854.80 : x - Step 2: Convert to fraction form
305,195.60/457,750.20 = 94,854.80/x - Step 3: Cross multiply
305,195.60x = 457,750.20 × 94,854.80 - Step 4: Simplify right side
305,195.60x = 43,419,803,670.96 - Step 5: Solve for x
x = 43,419,803,670.96/305,195.60 - Step 6: Final answer
x = 142,268.77
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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.