Finding the Fourth Proportional to 112,507.23, 155,376.18 and 97,327.02
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Solution
The fourth proportional to 112,507.23, 155,376.18 and 97,327.02 is: 134,411.81
Step by Step Solution
- Step 1: Write the proportion equation
112,507.23 : 155,376.18 = 97,327.02 : x - Step 2: Convert to fraction form
112,507.23/155,376.18 = 97,327.02/x - Step 3: Cross multiply
112,507.23x = 155,376.18 × 97,327.02 - Step 4: Simplify right side
112,507.23x = 15,122,300,578.38 - Step 5: Solve for x
x = 15,122,300,578.38/112,507.23 - Step 6: Final answer
x = 134,411.81
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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.