Finding the Fourth Proportional to 151,345.16, 208,854.36 and 83,360.84
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Solution
The fourth proportional to 151,345.16, 208,854.36 and 83,360.84 is: 115,036.88
Step by Step Solution
- Step 1: Write the proportion equation
151,345.16 : 208,854.36 = 83,360.84 : x - Step 2: Convert to fraction form
151,345.16/208,854.36 = 83,360.84/x - Step 3: Cross multiply
151,345.16x = 208,854.36 × 83,360.84 - Step 4: Simplify right side
151,345.16x = 17,410,274,887.26 - Step 5: Solve for x
x = 17,410,274,887.26/151,345.16 - Step 6: Final answer
x = 115,036.88
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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.