Finding the Fourth Proportional to 257,235.76, 355,108.56 and 171,337.68
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Solution
The fourth proportional to 257,235.76, 355,108.56 and 171,337.68 is: 236,528.07
Step by Step Solution
- Step 1: Write the proportion equation
257,235.76 : 355,108.56 = 171,337.68 : x - Step 2: Convert to fraction form
257,235.76/355,108.56 = 171,337.68/x - Step 3: Cross multiply
257,235.76x = 355,108.56 × 171,337.68 - Step 4: Simplify right side
257,235.76x = 60,843,476,818.54 - Step 5: Solve for x
x = 60,843,476,818.54/257,235.76 - Step 6: Final answer
x = 236,528.07
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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.