Finding the Fourth Proportional to 151,462.08, 209,026.80 and 83,478.96
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Solution
The fourth proportional to 151,462.08, 209,026.80 and 83,478.96 is: 115,206.00
Step by Step Solution
- Step 1: Write the proportion equation
151,462.08 : 209,026.80 = 83,478.96 : x - Step 2: Convert to fraction form
151,462.08/209,026.80 = 83,478.96/x - Step 3: Cross multiply
151,462.08x = 209,026.80 × 83,478.96 - Step 4: Simplify right side
151,462.08x = 17,449,339,876.13 - Step 5: Solve for x
x = 17,449,339,876.13/151,462.08 - Step 6: Final answer
x = 115,206.00
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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.