Finding the Fourth Proportional to 148,557.87, 205,023.87 and 84,883.32
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Solution
The fourth proportional to 148,557.87, 205,023.87 and 84,883.32 is: 117,146.99
Step by Step Solution
- Step 1: Write the proportion equation
148,557.87 : 205,023.87 = 84,883.32 : x - Step 2: Convert to fraction form
148,557.87/205,023.87 = 84,883.32/x - Step 3: Cross multiply
148,557.87x = 205,023.87 × 84,883.32 - Step 4: Simplify right side
148,557.87x = 17,403,106,764.85 - Step 5: Solve for x
x = 17,403,106,764.85/148,557.87 - Step 6: Final answer
x = 117,146.99
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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.