Finding the Fourth Proportional to 306,684.76, 460,121.26 and 157,030.17
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Solution
The fourth proportional to 306,684.76, 460,121.26 and 157,030.17 is: 235,593.45
Step by Step Solution
- Step 1: Write the proportion equation
306,684.76 : 460,121.26 = 157,030.17 : x - Step 2: Convert to fraction form
306,684.76/460,121.26 = 157,030.17/x - Step 3: Cross multiply
306,684.76x = 460,121.26 × 157,030.17 - Step 4: Simplify right side
306,684.76x = 72,252,919,148.91 - Step 5: Solve for x
x = 72,252,919,148.91/306,684.76 - Step 6: Final answer
x = 235,593.45
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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.