Finding the Fourth Proportional to 368,800.26, 553,258.80 and 132,137.70
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Solution
The fourth proportional to 368,800.26, 553,258.80 and 132,137.70 is: 198,227.48
Step by Step Solution
- Step 1: Write the proportion equation
368,800.26 : 553,258.80 = 132,137.70 : x - Step 2: Convert to fraction form
368,800.26/553,258.80 = 132,137.70/x - Step 3: Cross multiply
368,800.26x = 553,258.80 × 132,137.70 - Step 4: Simplify right side
368,800.26x = 73,106,345,336.76 - Step 5: Solve for x
x = 73,106,345,336.76/368,800.26 - Step 6: Final answer
x = 198,227.48
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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.