Finding the Fourth Proportional to 290,533.70, 435,932.00 and 148,305.53
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Solution
The fourth proportional to 290,533.70, 435,932.00 and 148,305.53 is: 222,525.39
Step by Step Solution
- Step 1: Write the proportion equation
290,533.70 : 435,932.00 = 148,305.53 : x - Step 2: Convert to fraction form
290,533.70/435,932.00 = 148,305.53/x - Step 3: Cross multiply
290,533.70x = 435,932.00 × 148,305.53 - Step 4: Simplify right side
290,533.70x = 64,651,124,495.06 - Step 5: Solve for x
x = 64,651,124,495.06/290,533.70 - Step 6: Final answer
x = 222,525.39
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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.