Finding the Fourth Proportional to 172,485.18, 258,419.97 and 93,549.06
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Solution
The fourth proportional to 172,485.18, 258,419.97 and 93,549.06 is: 140,156.65
Step by Step Solution
- Step 1: Write the proportion equation
172,485.18 : 258,419.97 = 93,549.06 : x - Step 2: Convert to fraction form
172,485.18/258,419.97 = 93,549.06/x - Step 3: Cross multiply
172,485.18x = 258,419.97 × 93,549.06 - Step 4: Simplify right side
172,485.18x = 24,174,945,278.73 - Step 5: Solve for x
x = 24,174,945,278.73/172,485.18 - Step 6: Final answer
x = 140,156.65
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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.