Finding the Fourth Proportional to 197,125.13, 272,032.68 and 107,701.13
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Solution
The fourth proportional to 197,125.13, 272,032.68 and 107,701.13 is: 148,627.56
Step by Step Solution
- Step 1: Write the proportion equation
197,125.13 : 272,032.68 = 107,701.13 : x - Step 2: Convert to fraction form
197,125.13/272,032.68 = 107,701.13/x - Step 3: Cross multiply
197,125.13x = 272,032.68 × 107,701.13 - Step 4: Simplify right side
197,125.13x = 29,298,225,672.77 - Step 5: Solve for x
x = 29,298,225,672.77/197,125.13 - Step 6: Final answer
x = 148,627.56
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1.5x scale
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.