Finding the Fourth Proportional to 180,735.20, 249,257.40 and 135,514.88
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Solution
The fourth proportional to 180,735.20, 249,257.40 and 135,514.88 is: 186,892.68
Step by Step Solution
- Step 1: Write the proportion equation
180,735.20 : 249,257.40 = 135,514.88 : x - Step 2: Convert to fraction form
180,735.20/249,257.40 = 135,514.88/x - Step 3: Cross multiply
180,735.20x = 249,257.40 × 135,514.88 - Step 4: Simplify right side
180,735.20x = 33,778,086,650.11 - Step 5: Solve for x
x = 33,778,086,650.11/180,735.20 - Step 6: Final answer
x = 186,892.68
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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.