Finding the Fourth Proportional to 343,970.13, 474,838.97 and 229,439.37
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Solution
The fourth proportional to 343,970.13, 474,838.97 and 229,439.37 is: 316,733.18
Step by Step Solution
- Step 1: Write the proportion equation
343,970.13 : 474,838.97 = 229,439.37 : x - Step 2: Convert to fraction form
343,970.13/474,838.97 = 229,439.37/x - Step 3: Cross multiply
343,970.13x = 474,838.97 × 229,439.37 - Step 4: Simplify right side
343,970.13x = 108,946,752,981.05 - Step 5: Solve for x
x = 108,946,752,981.05/343,970.13 - Step 6: Final answer
x = 316,733.18
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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.