Finding the Fourth Proportional to 249,915.40, 374,873.10 and 225,809.80
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Solution
The fourth proportional to 249,915.40, 374,873.10 and 225,809.80 is: 338,714.70
Step by Step Solution
- Step 1: Write the proportion equation
249,915.40 : 374,873.10 = 225,809.80 : x - Step 2: Convert to fraction form
249,915.40/374,873.10 = 225,809.80/x - Step 3: Cross multiply
249,915.40x = 374,873.10 × 225,809.80 - Step 4: Simplify right side
249,915.40x = 84,650,019,736.38 - Step 5: Solve for x
x = 84,650,019,736.38/249,915.40 - Step 6: Final answer
x = 338,714.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.