Finding the Fourth Proportional to 153,718.88, 229,050.19 and 136,950.05
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Solution
The fourth proportional to 153,718.88, 229,050.19 and 136,950.05 is: 204,063.65
Step by Step Solution
- Step 1: Write the proportion equation
153,718.88 : 229,050.19 = 136,950.05 : x - Step 2: Convert to fraction form
153,718.88/229,050.19 = 136,950.05/x - Step 3: Cross multiply
153,718.88x = 229,050.19 × 136,950.05 - Step 4: Simplify right side
153,718.88x = 31,368,434,973.01 - Step 5: Solve for x
x = 31,368,434,973.01/153,718.88 - Step 6: Final answer
x = 204,063.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.