Finding the Fourth Proportional to 251,283.60, 346,767.35 and 138,103.92
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Solution
The fourth proportional to 251,283.60, 346,767.35 and 138,103.92 is: 190,581.20
Step by Step Solution
- Step 1: Write the proportion equation
251,283.60 : 346,767.35 = 138,103.92 : x - Step 2: Convert to fraction form
251,283.60/346,767.35 = 138,103.92/x - Step 3: Cross multiply
251,283.60x = 346,767.35 × 138,103.92 - Step 4: Simplify right side
251,283.60x = 47,889,929,672.49 - Step 5: Solve for x
x = 47,889,929,672.49/251,283.60 - Step 6: Final answer
x = 190,581.20
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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.