Finding the Fourth Proportional to 250,304.15, 345,417.68 and 135,580.13
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Solution
The fourth proportional to 250,304.15, 345,417.68 and 135,580.13 is: 187,099.48
Step by Step Solution
- Step 1: Write the proportion equation
250,304.15 : 345,417.68 = 135,580.13 : x - Step 2: Convert to fraction form
250,304.15/345,417.68 = 135,580.13/x - Step 3: Cross multiply
250,304.15x = 345,417.68 × 135,580.13 - Step 4: Simplify right side
250,304.15x = 46,831,775,161.19 - Step 5: Solve for x
x = 46,831,775,161.19/250,304.15 - Step 6: Final answer
x = 187,099.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.