Finding the Fourth Proportional to 437,615.60, 656,423.40 and 157,161.20
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Solution
The fourth proportional to 437,615.60, 656,423.40 and 157,161.20 is: 235,741.80
Step by Step Solution
- Step 1: Write the proportion equation
437,615.60 : 656,423.40 = 157,161.20 : x - Step 2: Convert to fraction form
437,615.60/656,423.40 = 157,161.20/x - Step 3: Cross multiply
437,615.60x = 656,423.40 × 157,161.20 - Step 4: Simplify right side
437,615.60x = 103,164,289,252.08 - Step 5: Solve for x
x = 103,164,289,252.08/437,615.60 - Step 6: Final answer
x = 235,741.80
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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.