Finding the Fourth Proportional to 431,664.84, 595,756.08 and 247,975.20
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Solution
The fourth proportional to 431,664.84, 595,756.08 and 247,975.20 is: 342,239.44
Step by Step Solution
- Step 1: Write the proportion equation
431,664.84 : 595,756.08 = 247,975.20 : x - Step 2: Convert to fraction form
431,664.84/595,756.08 = 247,975.20/x - Step 3: Cross multiply
431,664.84x = 595,756.08 × 247,975.20 - Step 4: Simplify right side
431,664.84x = 147,732,733,089.22 - Step 5: Solve for x
x = 147,732,733,089.22/431,664.84 - Step 6: Final answer
x = 342,239.44
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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.