Finding the Fourth Proportional to 171,765.03, 257,649.21 and 65,120.31
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Solution
The fourth proportional to 171,765.03, 257,649.21 and 65,120.31 is: 97,681.09
Step by Step Solution
- Step 1: Write the proportion equation
171,765.03 : 257,649.21 = 65,120.31 : x - Step 2: Convert to fraction form
171,765.03/257,649.21 = 65,120.31/x - Step 3: Cross multiply
171,765.03x = 257,649.21 × 65,120.31 - Step 4: Simplify right side
171,765.03x = 16,778,196,426.46 - Step 5: Solve for x
x = 16,778,196,426.46/171,765.03 - Step 6: Final answer
x = 97,681.09
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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.