Finding the Fourth Proportional to 254,128.17, 380,944.40 and 120,972.68
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Solution
The fourth proportional to 254,128.17, 380,944.40 and 120,972.68 is: 181,341.02
Step by Step Solution
- Step 1: Write the proportion equation
254,128.17 : 380,944.40 = 120,972.68 : x - Step 2: Convert to fraction form
254,128.17/380,944.40 = 120,972.68/x - Step 3: Cross multiply
254,128.17x = 380,944.40 × 120,972.68 - Step 4: Simplify right side
254,128.17x = 46,083,862,489.41 - Step 5: Solve for x
x = 46,083,862,489.41/254,128.17 - Step 6: Final answer
x = 181,341.02
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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.