Finding the Fourth Proportional to 133,235.10, 183,806.28 and 84,811.28
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Solution
The fourth proportional to 133,235.10, 183,806.28 and 84,811.28 is: 117,002.54
Step by Step Solution
- Step 1: Write the proportion equation
133,235.10 : 183,806.28 = 84,811.28 : x - Step 2: Convert to fraction form
133,235.10/183,806.28 = 84,811.28/x - Step 3: Cross multiply
133,235.10x = 183,806.28 × 84,811.28 - Step 4: Simplify right side
133,235.10x = 15,588,844,959.81 - Step 5: Solve for x
x = 15,588,844,959.81/133,235.10 - Step 6: Final answer
x = 117,002.54
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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.