Finding the Fourth Proportional to 180,630.36, 249,219.12 and 108,024.48
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Solution
The fourth proportional to 180,630.36, 249,219.12 and 108,024.48 is: 149,043.42
Step by Step Solution
- Step 1: Write the proportion equation
180,630.36 : 249,219.12 = 108,024.48 : x - Step 2: Convert to fraction form
180,630.36/249,219.12 = 108,024.48/x - Step 3: Cross multiply
180,630.36x = 249,219.12 × 108,024.48 - Step 4: Simplify right side
180,630.36x = 26,921,765,844.06 - Step 5: Solve for x
x = 26,921,765,844.06/180,630.36 - Step 6: Final answer
x = 149,043.42
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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.