Finding the Fourth Proportional to 346,889.91, 478,646.87 and 193,879.19
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Solution
The fourth proportional to 346,889.91, 478,646.87 and 193,879.19 is: 267,519.06
Step by Step Solution
- Step 1: Write the proportion equation
346,889.91 : 478,646.87 = 193,879.19 : x - Step 2: Convert to fraction form
346,889.91/478,646.87 = 193,879.19/x - Step 3: Cross multiply
346,889.91x = 478,646.87 × 193,879.19 - Step 4: Simplify right side
346,889.91x = 92,799,664,089.01 - Step 5: Solve for x
x = 92,799,664,089.01/346,889.91 - Step 6: Final answer
x = 267,519.06
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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.