Finding the Fourth Proportional to 228,258.47, 342,107.27 and 128,208.35
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Solution
The fourth proportional to 228,258.47, 342,107.27 and 128,208.35 is: 192,155.00
Step by Step Solution
- Step 1: Write the proportion equation
228,258.47 : 342,107.27 = 128,208.35 : x - Step 2: Convert to fraction form
228,258.47/342,107.27 = 128,208.35/x - Step 3: Cross multiply
228,258.47x = 342,107.27 × 128,208.35 - Step 4: Simplify right side
228,258.47x = 43,861,006,258.13 - Step 5: Solve for x
x = 43,861,006,258.13/228,258.47 - Step 6: Final answer
x = 192,155.00
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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.