Finding the Fourth Proportional to 146,630.08, 219,945.04 and 53,135.68
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Solution
The fourth proportional to 146,630.08, 219,945.04 and 53,135.68 is: 79,703.49
Step by Step Solution
- Step 1: Write the proportion equation
146,630.08 : 219,945.04 = 53,135.68 : x - Step 2: Convert to fraction form
146,630.08/219,945.04 = 53,135.68/x - Step 3: Cross multiply
146,630.08x = 219,945.04 × 53,135.68 - Step 4: Simplify right side
146,630.08x = 11,686,929,263.03 - Step 5: Solve for x
x = 11,686,929,263.03/146,630.08 - Step 6: Final answer
x = 79,703.49
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1.5x scale
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.