Finding the Fourth Proportional to 192,278.58, 265,349.76 and 106,243.08
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Solution
The fourth proportional to 192,278.58, 265,349.76 and 106,243.08 is: 146,618.39
Step by Step Solution
- Step 1: Write the proportion equation
192,278.58 : 265,349.76 = 106,243.08 : x - Step 2: Convert to fraction form
192,278.58/265,349.76 = 106,243.08/x - Step 3: Cross multiply
192,278.58x = 265,349.76 × 106,243.08 - Step 4: Simplify right side
192,278.58x = 28,191,575,779.66 - Step 5: Solve for x
x = 28,191,575,779.66/192,278.58 - Step 6: Final answer
x = 146,618.39
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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.