Finding the Fourth Proportional to 148,539.83, 222,277.50 and 128,618.08
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Solution
The fourth proportional to 148,539.83, 222,277.50 and 128,618.08 is: 192,466.26
Step by Step Solution
- Step 1: Write the proportion equation
148,539.83 : 222,277.50 = 128,618.08 : x - Step 2: Convert to fraction form
148,539.83/222,277.50 = 128,618.08/x - Step 3: Cross multiply
148,539.83x = 222,277.50 × 128,618.08 - Step 4: Simplify right side
148,539.83x = 28,588,904,721.51 - Step 5: Solve for x
x = 28,588,904,721.51/148,539.83 - Step 6: Final answer
x = 192,466.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.