Finding the Fourth Proportional to 290,551.80, 435,827.70 and 133,087.80
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Solution
The fourth proportional to 290,551.80, 435,827.70 and 133,087.80 is: 199,631.70
Step by Step Solution
- Step 1: Write the proportion equation
290,551.80 : 435,827.70 = 133,087.80 : x - Step 2: Convert to fraction form
290,551.80/435,827.70 = 133,087.80/x - Step 3: Cross multiply
290,551.80x = 435,827.70 × 133,087.80 - Step 4: Simplify right side
290,551.80x = 58,003,349,772.06 - Step 5: Solve for x
x = 58,003,349,772.06/290,551.80 - Step 6: Final answer
x = 199,631.70
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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.