Finding the Fourth Proportional to 133,029.80, 183,584.97 and 72,604.29
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Solution
The fourth proportional to 133,029.80, 183,584.97 and 72,604.29 is: 100,196.02
Step by Step Solution
- Step 1: Write the proportion equation
133,029.80 : 183,584.97 = 72,604.29 : x - Step 2: Convert to fraction form
133,029.80/183,584.97 = 72,604.29/x - Step 3: Cross multiply
133,029.80x = 183,584.97 × 72,604.29 - Step 4: Simplify right side
133,029.80x = 13,329,056,038.50 - Step 5: Solve for x
x = 13,329,056,038.50/133,029.80 - Step 6: Final answer
x = 100,196.02
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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.