Finding the Fourth Proportional to 187,684.65, 259,030.58 and 115,074.70
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Solution
The fourth proportional to 187,684.65, 259,030.58 and 115,074.70 is: 158,818.88
Step by Step Solution
- Step 1: Write the proportion equation
187,684.65 : 259,030.58 = 115,074.70 : x - Step 2: Convert to fraction form
187,684.65/259,030.58 = 115,074.70/x - Step 3: Cross multiply
187,684.65x = 259,030.58 × 115,074.70 - Step 4: Simplify right side
187,684.65x = 29,807,866,032.32 - Step 5: Solve for x
x = 29,807,866,032.32/187,684.65 - Step 6: Final answer
x = 158,818.88
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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.