Finding the Fourth Proportional to 149,774.60, 207,635.30 and 141,784.76
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Solution
The fourth proportional to 149,774.60, 207,635.30 and 141,784.76 is: 196,558.84
Step by Step Solution
- Step 1: Write the proportion equation
149,774.60 : 207,635.30 = 141,784.76 : x - Step 2: Convert to fraction form
149,774.60/207,635.30 = 141,784.76/x - Step 3: Cross multiply
149,774.60x = 207,635.30 × 141,784.76 - Step 4: Simplify right side
149,774.60x = 29,439,521,178.03 - Step 5: Solve for x
x = 29,439,521,178.03/149,774.60 - Step 6: Final answer
x = 196,558.84
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.