Finding the Fourth Proportional to 342,619.11, 513,927.05 and 228,525.75
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Solution
The fourth proportional to 342,619.11, 513,927.05 and 228,525.75 is: 342,787.54
Step by Step Solution
- Step 1: Write the proportion equation
342,619.11 : 513,927.05 = 228,525.75 : x - Step 2: Convert to fraction form
342,619.11/513,927.05 = 228,525.75/x - Step 3: Cross multiply
342,619.11x = 513,927.05 × 228,525.75 - Step 4: Simplify right side
342,619.11x = 117,445,563,403.91 - Step 5: Solve for x
x = 117,445,563,403.91/342,619.11 - Step 6: Final answer
x = 342,787.54
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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.