Finding the Fourth Proportional to 294,664.23, 442,258.79 and 136,981.53
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Solution
The fourth proportional to 294,664.23, 442,258.79 and 136,981.53 is: 205,594.30
Step by Step Solution
- Step 1: Write the proportion equation
294,664.23 : 442,258.79 = 136,981.53 : x - Step 2: Convert to fraction form
294,664.23/442,258.79 = 136,981.53/x - Step 3: Cross multiply
294,664.23x = 442,258.79 × 136,981.53 - Step 4: Simplify right side
294,664.23x = 60,581,285,025.24 - Step 5: Solve for x
x = 60,581,285,025.24/294,664.23 - Step 6: Final answer
x = 205,594.30
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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.