Finding the Fourth Proportional to 355,409.80, 533,035.99 and 102,635.26
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Solution
The fourth proportional to 355,409.80, 533,035.99 and 102,635.26 is: 153,930.16
Step by Step Solution
- Step 1: Write the proportion equation
355,409.80 : 533,035.99 = 102,635.26 : x - Step 2: Convert to fraction form
355,409.80/533,035.99 = 102,635.26/x - Step 3: Cross multiply
355,409.80x = 533,035.99 × 102,635.26 - Step 4: Simplify right side
355,409.80x = 54,708,287,423.01 - Step 5: Solve for x
x = 54,708,287,423.01/355,409.80 - Step 6: Final answer
x = 153,930.16
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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.