Finding the Fourth Proportional to 285,150.68, 393,495.55 and 157,818.68
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Solution
The fourth proportional to 285,150.68, 393,495.55 and 157,818.68 is: 217,782.92
Step by Step Solution
- Step 1: Write the proportion equation
285,150.68 : 393,495.55 = 157,818.68 : x - Step 2: Convert to fraction form
285,150.68/393,495.55 = 157,818.68/x - Step 3: Cross multiply
285,150.68x = 393,495.55 × 157,818.68 - Step 4: Simplify right side
285,150.68x = 62,100,946,319.40 - Step 5: Solve for x
x = 62,100,946,319.40/285,150.68 - Step 6: Final answer
x = 217,782.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.