Finding the Fourth Proportional to 121,567.13, 182,351.51 and 38,461.13
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Solution
The fourth proportional to 121,567.13, 182,351.51 and 38,461.13 is: 57,691.95
Step by Step Solution
- Step 1: Write the proportion equation
121,567.13 : 182,351.51 = 38,461.13 : x - Step 2: Convert to fraction form
121,567.13/182,351.51 = 38,461.13/x - Step 3: Cross multiply
121,567.13x = 182,351.51 × 38,461.13 - Step 4: Simplify right side
121,567.13x = 7,013,444,027.74 - Step 5: Solve for x
x = 7,013,444,027.74/121,567.13 - Step 6: Final answer
x = 57,691.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.