Finding the Fourth Proportional to 431,946.27, 596,081.84 and 238,355.87
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Solution
The fourth proportional to 431,946.27, 596,081.84 and 238,355.87 is: 328,928.88
Step by Step Solution
- Step 1: Write the proportion equation
431,946.27 : 596,081.84 = 238,355.87 : x - Step 2: Convert to fraction form
431,946.27/596,081.84 = 238,355.87/x - Step 3: Cross multiply
431,946.27x = 596,081.84 × 238,355.87 - Step 4: Simplify right side
431,946.27x = 142,079,601,392.21 - Step 5: Solve for x
x = 142,079,601,392.21/431,946.27 - Step 6: Final answer
x = 328,928.88
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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.