Finding the Fourth Proportional to 197,671.68, 272,515.78 and 125,038.44
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Solution
The fourth proportional to 197,671.68, 272,515.78 and 125,038.44 is: 172,381.54
Step by Step Solution
- Step 1: Write the proportion equation
197,671.68 : 272,515.78 = 125,038.44 : x - Step 2: Convert to fraction form
197,671.68/272,515.78 = 125,038.44/x - Step 3: Cross multiply
197,671.68x = 272,515.78 × 125,038.44 - Step 4: Simplify right side
197,671.68x = 34,074,948,006.58 - Step 5: Solve for x
x = 34,074,948,006.58/197,671.68 - Step 6: Final answer
x = 172,381.54
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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.