Finding the Fourth Proportional to 157,083.17, 235,485.30 and 57,224.75
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Solution
The fourth proportional to 157,083.17, 235,485.30 and 57,224.75 is: 85,786.32
Step by Step Solution
- Step 1: Write the proportion equation
157,083.17 : 235,485.30 = 57,224.75 : x - Step 2: Convert to fraction form
157,083.17/235,485.30 = 57,224.75/x - Step 3: Cross multiply
157,083.17x = 235,485.30 × 57,224.75 - Step 4: Simplify right side
157,083.17x = 13,475,587,421.18 - Step 5: Solve for x
x = 13,475,587,421.18/157,083.17 - Step 6: Final answer
x = 85,786.32
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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.