Finding the Fourth Proportional to 103,297.62, 155,011.98 and 44,133.74
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Solution
The fourth proportional to 103,297.62, 155,011.98 and 44,133.74 is: 66,228.62
Step by Step Solution
- Step 1: Write the proportion equation
103,297.62 : 155,011.98 = 44,133.74 : x - Step 2: Convert to fraction form
103,297.62/155,011.98 = 44,133.74/x - Step 3: Cross multiply
103,297.62x = 155,011.98 × 44,133.74 - Step 4: Simplify right side
103,297.62x = 6,841,258,422.21 - Step 5: Solve for x
x = 6,841,258,422.21/103,297.62 - Step 6: Final answer
x = 66,228.62
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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.