Finding the Fourth Proportional to 290,190.13, 435,525.05 and 148,140.36
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Solution
The fourth proportional to 290,190.13, 435,525.05 and 148,140.36 is: 222,332.99
Step by Step Solution
- Step 1: Write the proportion equation
290,190.13 : 435,525.05 = 148,140.36 : x - Step 2: Convert to fraction form
290,190.13/435,525.05 = 148,140.36/x - Step 3: Cross multiply
290,190.13x = 435,525.05 × 148,140.36 - Step 4: Simplify right side
290,190.13x = 64,518,838,066.37 - Step 5: Solve for x
x = 64,518,838,066.37/290,190.13 - Step 6: Final answer
x = 222,332.99
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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.