Finding the Fourth Proportional to 187,946.53, 259,115.27 and 149,312.52
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Solution
The fourth proportional to 187,946.53, 259,115.27 and 149,312.52 is: 205,851.92
Step by Step Solution
- Step 1: Write the proportion equation
187,946.53 : 259,115.27 = 149,312.52 : x - Step 2: Convert to fraction form
187,946.53/259,115.27 = 149,312.52/x - Step 3: Cross multiply
187,946.53x = 259,115.27 × 149,312.52 - Step 4: Simplify right side
187,946.53x = 38,689,153,187.62 - Step 5: Solve for x
x = 38,689,153,187.62/187,946.53 - Step 6: Final answer
x = 205,851.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.