Finding the Fourth Proportional to 180,896.26, 249,652.18 and 100,349.74
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Solution
The fourth proportional to 180,896.26, 249,652.18 and 100,349.74 is: 138,491.15
Step by Step Solution
- Step 1: Write the proportion equation
180,896.26 : 249,652.18 = 100,349.74 : x - Step 2: Convert to fraction form
180,896.26/249,652.18 = 100,349.74/x - Step 3: Cross multiply
180,896.26x = 249,652.18 × 100,349.74 - Step 4: Simplify right side
180,896.26x = 25,052,531,353.43 - Step 5: Solve for x
x = 25,052,531,353.43/180,896.26 - Step 6: Final answer
x = 138,491.15
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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.