Finding the Fourth Proportional to 176,974.96, 265,309.76 and 83,415.28
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Solution
The fourth proportional to 176,974.96, 265,309.76 and 83,415.28 is: 125,050.96
Step by Step Solution
- Step 1: Write the proportion equation
176,974.96 : 265,309.76 = 83,415.28 : x - Step 2: Convert to fraction form
176,974.96/265,309.76 = 83,415.28/x - Step 3: Cross multiply
176,974.96x = 265,309.76 × 83,415.28 - Step 4: Simplify right side
176,974.96x = 22,130,887,917.13 - Step 5: Solve for x
x = 22,130,887,917.13/176,974.96 - Step 6: Final answer
x = 125,050.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.