Finding the Fourth Proportional to 103,575.08, 155,254.84 and 70,297.84
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Solution
The fourth proportional to 103,575.08, 155,254.84 and 70,297.84 is: 105,373.61
Step by Step Solution
- Step 1: Write the proportion equation
103,575.08 : 155,254.84 = 70,297.84 : x - Step 2: Convert to fraction form
103,575.08/155,254.84 = 70,297.84/x - Step 3: Cross multiply
103,575.08x = 155,254.84 × 70,297.84 - Step 4: Simplify right side
103,575.08x = 10,914,079,901.55 - Step 5: Solve for x
x = 10,914,079,901.55/103,575.08 - Step 6: Final answer
x = 105,373.61
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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.