Finding the Fourth Proportional to 180,852.27, 249,579.12 and 100,283.19
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Solution
The fourth proportional to 180,852.27, 249,579.12 and 100,283.19 is: 138,392.46
Step by Step Solution
- Step 1: Write the proportion equation
180,852.27 : 249,579.12 = 100,283.19 : x - Step 2: Convert to fraction form
180,852.27/249,579.12 = 100,283.19/x - Step 3: Cross multiply
180,852.27x = 249,579.12 × 100,283.19 - Step 4: Simplify right side
180,852.27x = 25,028,590,310.99 - Step 5: Solve for x
x = 25,028,590,310.99/180,852.27 - Step 6: Final answer
x = 138,392.46
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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.