Finding the Fourth Proportional to 290,006.94, 435,009.58 and 79,645.08
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Solution
The fourth proportional to 290,006.94, 435,009.58 and 79,645.08 is: 119,467.39
Step by Step Solution
- Step 1: Write the proportion equation
290,006.94 : 435,009.58 = 79,645.08 : x - Step 2: Convert to fraction form
290,006.94/435,009.58 = 79,645.08/x - Step 3: Cross multiply
290,006.94x = 435,009.58 × 79,645.08 - Step 4: Simplify right side
290,006.94x = 34,646,372,799.87 - Step 5: Solve for x
x = 34,646,372,799.87/290,006.94 - Step 6: Final answer
x = 119,467.39
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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.