Finding the Fourth Proportional to 284,204.52, 392,202.54 and 156,880.08
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Solution
The fourth proportional to 284,204.52, 392,202.54 and 156,880.08 is: 216,494.68
Step by Step Solution
- Step 1: Write the proportion equation
284,204.52 : 392,202.54 = 156,880.08 : x - Step 2: Convert to fraction form
284,204.52/392,202.54 = 156,880.08/x - Step 3: Cross multiply
284,204.52x = 392,202.54 × 156,880.08 - Step 4: Simplify right side
284,204.52x = 61,528,765,851.40 - Step 5: Solve for x
x = 61,528,765,851.40/284,204.52 - Step 6: Final answer
x = 216,494.68
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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.