Finding the Fourth Proportional to 176,889.34, 265,038.36 and 76,899.70
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Solution
The fourth proportional to 176,889.34, 265,038.36 and 76,899.70 is: 115,221.02
Step by Step Solution
- Step 1: Write the proportion equation
176,889.34 : 265,038.36 = 76,899.70 : x - Step 2: Convert to fraction form
176,889.34/265,038.36 = 76,899.70/x - Step 3: Cross multiply
176,889.34x = 265,038.36 × 76,899.70 - Step 4: Simplify right side
176,889.34x = 20,381,370,372.49 - Step 5: Solve for x
x = 20,381,370,372.49/176,889.34 - Step 6: Final answer
x = 115,221.02
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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.