Finding the Fourth Proportional to 128,334.59, 192,366.14 and 48,337.95
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Solution
The fourth proportional to 128,334.59, 192,366.14 and 48,337.95 is: 72,455.79
Step by Step Solution
- Step 1: Write the proportion equation
128,334.59 : 192,366.14 = 48,337.95 : x - Step 2: Convert to fraction form
128,334.59/192,366.14 = 48,337.95/x - Step 3: Cross multiply
128,334.59x = 192,366.14 × 48,337.95 - Step 4: Simplify right side
128,334.59x = 9,298,584,135.64 - Step 5: Solve for x
x = 9,298,584,135.64/128,334.59 - Step 6: Final answer
x = 72,455.79
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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.