Finding the Fourth Proportional to 438,506.41, 657,645.44 and 185,656.75
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Solution
The fourth proportional to 438,506.41, 657,645.44 and 185,656.75 is: 278,436.78
Step by Step Solution
- Step 1: Write the proportion equation
438,506.41 : 657,645.44 = 185,656.75 : x - Step 2: Convert to fraction form
438,506.41/657,645.44 = 185,656.75/x - Step 3: Cross multiply
438,506.41x = 657,645.44 × 185,656.75 - Step 4: Simplify right side
438,506.41x = 122,096,314,191.25 - Step 5: Solve for x
x = 122,096,314,191.25/438,506.41 - Step 6: Final answer
x = 278,436.78
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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.