Finding the Fourth Proportional to 257,340.60, 355,125.74 and 141,052.95
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Solution
The fourth proportional to 257,340.60, 355,125.74 and 141,052.95 is: 194,650.72
Step by Step Solution
- Step 1: Write the proportion equation
257,340.60 : 355,125.74 = 141,052.95 : x - Step 2: Convert to fraction form
257,340.60/355,125.74 = 141,052.95/x - Step 3: Cross multiply
257,340.60x = 355,125.74 × 141,052.95 - Step 4: Simplify right side
257,340.60x = 50,091,532,542.67 - Step 5: Solve for x
x = 50,091,532,542.67/257,340.60 - Step 6: Final answer
x = 194,650.72
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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.