Finding the Fourth Proportional to 235,489.10, 353,124.30 and 102,300.80
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Solution
The fourth proportional to 235,489.10, 353,124.30 and 102,300.80 is: 153,403.70
Step by Step Solution
- Step 1: Write the proportion equation
235,489.10 : 353,124.30 = 102,300.80 : x - Step 2: Convert to fraction form
235,489.10/353,124.30 = 102,300.80/x - Step 3: Cross multiply
235,489.10x = 353,124.30 × 102,300.80 - Step 4: Simplify right side
235,489.10x = 36,124,898,389.44 - Step 5: Solve for x
x = 36,124,898,389.44/235,489.10 - Step 6: Final answer
x = 153,403.70
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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.