Finding the Fourth Proportional to 133,042.68, 183,594.33 and 79,299.99
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Solution
The fourth proportional to 133,042.68, 183,594.33 and 79,299.99 is: 109,431.26
Step by Step Solution
- Step 1: Write the proportion equation
133,042.68 : 183,594.33 = 79,299.99 : x - Step 2: Convert to fraction form
133,042.68/183,594.33 = 79,299.99/x - Step 3: Cross multiply
133,042.68x = 183,594.33 × 79,299.99 - Step 4: Simplify right side
133,042.68x = 14,559,028,533.06 - Step 5: Solve for x
x = 14,559,028,533.06/133,042.68 - Step 6: Final answer
x = 109,431.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.