Finding the Fourth Proportional to 180,423.92, 248,988.12 and 99,858.08
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Solution
The fourth proportional to 180,423.92, 248,988.12 and 99,858.08 is: 137,805.87
Step by Step Solution
- Step 1: Write the proportion equation
180,423.92 : 248,988.12 = 99,858.08 : x - Step 2: Convert to fraction form
180,423.92/248,988.12 = 99,858.08/x - Step 3: Cross multiply
180,423.92x = 248,988.12 × 99,858.08 - Step 4: Simplify right side
180,423.92x = 24,863,475,606.01 - Step 5: Solve for x
x = 24,863,475,606.01/180,423.92 - Step 6: Final answer
x = 137,805.87
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1.5x scale
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.