Finding the Fourth Proportional to 180,615.76, 249,246.99 and 98,943.39
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Solution
The fourth proportional to 180,615.76, 249,246.99 and 98,943.39 is: 136,540.37
Step by Step Solution
- Step 1: Write the proportion equation
180,615.76 : 249,246.99 = 98,943.39 : x - Step 2: Convert to fraction form
180,615.76/249,246.99 = 98,943.39/x - Step 3: Cross multiply
180,615.76x = 249,246.99 × 98,943.39 - Step 4: Simplify right side
180,615.76x = 24,661,342,137.90 - Step 5: Solve for x
x = 24,661,342,137.90/180,615.76 - Step 6: Final answer
x = 136,540.37
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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.