Finding the Fourth Proportional to 257,869.68, 355,768.92 and 168,497.52
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Solution
The fourth proportional to 257,869.68, 355,768.92 and 168,497.52 is: 232,466.96
Step by Step Solution
- Step 1: Write the proportion equation
257,869.68 : 355,768.92 = 168,497.52 : x - Step 2: Convert to fraction form
257,869.68/355,768.92 = 168,497.52/x - Step 3: Cross multiply
257,869.68x = 355,768.92 × 168,497.52 - Step 4: Simplify right side
257,869.68x = 59,946,180,713.08 - Step 5: Solve for x
x = 59,946,180,713.08/257,869.68 - Step 6: Final answer
x = 232,466.96
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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.