Finding the Fourth Proportional to 106,280.19, 146,673.30 and 58,533.53
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Solution
The fourth proportional to 106,280.19, 146,673.30 and 58,533.53 is: 80,779.92
Step by Step Solution
- Step 1: Write the proportion equation
106,280.19 : 146,673.30 = 58,533.53 : x - Step 2: Convert to fraction form
106,280.19/146,673.30 = 58,533.53/x - Step 3: Cross multiply
106,280.19x = 146,673.30 × 58,533.53 - Step 4: Simplify right side
106,280.19x = 8,585,305,575.15 - Step 5: Solve for x
x = 8,585,305,575.15/106,280.19 - Step 6: Final answer
x = 80,779.92
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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.