Finding the Fourth Proportional to 254,498.68, 351,170.08 and 145,585.70
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Solution
The fourth proportional to 254,498.68, 351,170.08 and 145,585.70 is: 200,886.47
Step by Step Solution
- Step 1: Write the proportion equation
254,498.68 : 351,170.08 = 145,585.70 : x - Step 2: Convert to fraction form
254,498.68/351,170.08 = 145,585.70/x - Step 3: Cross multiply
254,498.68x = 351,170.08 × 145,585.70 - Step 4: Simplify right side
254,498.68x = 51,125,339,432.08 - Step 5: Solve for x
x = 51,125,339,432.08/254,498.68 - Step 6: Final answer
x = 200,886.47
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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.