Finding the Fourth Proportional to 112,451.36, 155,299.07 and 97,271.15
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Solution
The fourth proportional to 112,451.36, 155,299.07 and 97,271.15 is: 134,334.70
Step by Step Solution
- Step 1: Write the proportion equation
112,451.36 : 155,299.07 = 97,271.15 : x - Step 2: Convert to fraction form
112,451.36/155,299.07 = 97,271.15/x - Step 3: Cross multiply
112,451.36x = 155,299.07 × 97,271.15 - Step 4: Simplify right side
112,451.36x = 15,106,118,599.51 - Step 5: Solve for x
x = 15,106,118,599.51/112,451.36 - Step 6: Final answer
x = 134,334.70
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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.