Finding the Fourth Proportional to 438,228.54, 657,381.06 and 122,686.41
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Solution
The fourth proportional to 438,228.54, 657,381.06 and 122,686.41 is: 184,040.32
Step by Step Solution
- Step 1: Write the proportion equation
438,228.54 : 657,381.06 = 122,686.41 : x - Step 2: Convert to fraction form
438,228.54/657,381.06 = 122,686.41/x - Step 3: Cross multiply
438,228.54x = 657,381.06 × 122,686.41 - Step 4: Simplify right side
438,228.54x = 80,651,722,253.39 - Step 5: Solve for x
x = 80,651,722,253.39/438,228.54 - Step 6: Final answer
x = 184,040.32
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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.