Finding the Fourth Proportional to 346,760.05, 478,519.33 and 193,798.84
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Solution
The fourth proportional to 346,760.05, 478,519.33 and 193,798.84 is: 267,437.07
Step by Step Solution
- Step 1: Write the proportion equation
346,760.05 : 478,519.33 = 193,798.84 : x - Step 2: Convert to fraction form
346,760.05/478,519.33 = 193,798.84/x - Step 3: Cross multiply
346,760.05x = 478,519.33 × 193,798.84 - Step 4: Simplify right side
346,760.05x = 92,736,490,102.58 - Step 5: Solve for x
x = 92,736,490,102.58/346,760.05 - Step 6: Final answer
x = 267,437.07
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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.