Finding the Fourth Proportional to 355,581.78, 533,455.29 and 102,852.06
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Solution
The fourth proportional to 355,581.78, 533,455.29 and 102,852.06 is: 154,301.99
Step by Step Solution
- Step 1: Write the proportion equation
355,581.78 : 533,455.29 = 102,852.06 : x - Step 2: Convert to fraction form
355,581.78/533,455.29 = 102,852.06/x - Step 3: Cross multiply
355,581.78x = 533,455.29 × 102,852.06 - Step 4: Simplify right side
355,581.78x = 54,866,975,494.40 - Step 5: Solve for x
x = 54,866,975,494.40/355,581.78 - Step 6: Final answer
x = 154,301.99
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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.