Finding the Fourth Proportional to 148,442.28, 205,121.58 and 108,085.74
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Solution
The fourth proportional to 148,442.28, 205,121.58 and 108,085.74 is: 149,355.82
Step by Step Solution
- Step 1: Write the proportion equation
148,442.28 : 205,121.58 = 108,085.74 : x - Step 2: Convert to fraction form
148,442.28/205,121.58 = 108,085.74/x - Step 3: Cross multiply
148,442.28x = 205,121.58 × 108,085.74 - Step 4: Simplify right side
148,442.28x = 22,170,717,764.27 - Step 5: Solve for x
x = 22,170,717,764.27/148,442.28 - Step 6: Final answer
x = 149,355.82
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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.