Finding the Fourth Proportional to 133,030.09, 183,585.41 and 72,604.62
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Solution
The fourth proportional to 133,030.09, 183,585.41 and 72,604.62 is: 100,196.50
Step by Step Solution
- Step 1: Write the proportion equation
133,030.09 : 183,585.41 = 72,604.62 : x - Step 2: Convert to fraction form
133,030.09/183,585.41 = 72,604.62/x - Step 3: Cross multiply
133,030.09x = 183,585.41 × 72,604.62 - Step 4: Simplify right side
133,030.09x = 13,329,148,930.59 - Step 5: Solve for x
x = 13,329,148,930.59/133,030.09 - Step 6: Final answer
x = 100,196.50
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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.