Finding the Fourth Proportional to 151,466.91, 209,023.21 and 83,484.02
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Solution
The fourth proportional to 151,466.91, 209,023.21 and 83,484.02 is: 115,207.32
Step by Step Solution
- Step 1: Write the proportion equation
151,466.91 : 209,023.21 = 83,484.02 : x - Step 2: Convert to fraction form
151,466.91/209,023.21 = 83,484.02/x - Step 3: Cross multiply
151,466.91x = 209,023.21 × 83,484.02 - Step 4: Simplify right side
151,466.91x = 17,450,097,060.46 - Step 5: Solve for x
x = 17,450,097,060.46/151,466.91 - Step 6: Final answer
x = 115,207.32
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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.