Finding the Fourth Proportional to 180,624.88, 249,251.36 and 100,047.70
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Solution
The fourth proportional to 180,624.88, 249,251.36 and 100,047.70 is: 138,059.75
Step by Step Solution
- Step 1: Write the proportion equation
180,624.88 : 249,251.36 = 100,047.70 : x - Step 2: Convert to fraction form
180,624.88/249,251.36 = 100,047.70/x - Step 3: Cross multiply
180,624.88x = 249,251.36 × 100,047.70 - Step 4: Simplify right side
180,624.88x = 24,937,025,289.87 - Step 5: Solve for x
x = 24,937,025,289.87/180,624.88 - Step 6: Final answer
x = 138,059.75
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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.