Finding the Fourth Proportional to 223,113.36, 307,897.56 and 127,624.08
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Solution
The fourth proportional to 223,113.36, 307,897.56 and 127,624.08 is: 176,121.87
Step by Step Solution
- Step 1: Write the proportion equation
223,113.36 : 307,897.56 = 127,624.08 : x - Step 2: Convert to fraction form
223,113.36/307,897.56 = 127,624.08/x - Step 3: Cross multiply
223,113.36x = 307,897.56 × 127,624.08 - Step 4: Simplify right side
223,113.36x = 39,295,142,829.24 - Step 5: Solve for x
x = 39,295,142,829.24/223,113.36 - Step 6: Final answer
x = 176,121.87
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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.