Finding the Fourth Proportional to 106,263.36, 146,641.44 and 58,515.68
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Solution
The fourth proportional to 106,263.36, 146,641.44 and 58,515.68 is: 80,750.54
Step by Step Solution
- Step 1: Write the proportion equation
106,263.36 : 146,641.44 = 58,515.68 : x - Step 2: Convert to fraction form
106,263.36/146,641.44 = 58,515.68/x - Step 3: Cross multiply
106,263.36x = 146,641.44 × 58,515.68 - Step 4: Simplify right side
106,263.36x = 8,580,823,577.78 - Step 5: Solve for x
x = 8,580,823,577.78/106,263.36 - Step 6: Final answer
x = 80,750.54
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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.