Finding the Fourth Proportional to 151,257.09, 208,726.86 and 83,260.79
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Solution
The fourth proportional to 151,257.09, 208,726.86 and 83,260.79 is: 114,895.52
Step by Step Solution
- Step 1: Write the proportion equation
151,257.09 : 208,726.86 = 83,260.79 : x - Step 2: Convert to fraction form
151,257.09/208,726.86 = 83,260.79/x - Step 3: Cross multiply
151,257.09x = 208,726.86 × 83,260.79 - Step 4: Simplify right side
151,257.09x = 17,378,762,214.19 - Step 5: Solve for x
x = 17,378,762,214.19/151,257.09 - Step 6: Final answer
x = 114,895.52
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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.