Finding the Fourth Proportional to 436,252.11, 654,386.37 and 136,726.06
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Solution
The fourth proportional to 436,252.11, 654,386.37 and 136,726.06 is: 205,091.66
Step by Step Solution
- Step 1: Write the proportion equation
436,252.11 : 654,386.37 = 136,726.06 : x - Step 2: Convert to fraction form
436,252.11/654,386.37 = 136,726.06/x - Step 3: Cross multiply
436,252.11x = 654,386.37 × 136,726.06 - Step 4: Simplify right side
436,252.11x = 89,471,669,550.63 - Step 5: Solve for x
x = 89,471,669,550.63/436,252.11 - Step 6: Final answer
x = 205,091.66
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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.