Finding the Fourth Proportional to 148,344.56, 221,193.58 and 131,859.44
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Solution
The fourth proportional to 148,344.56, 221,193.58 and 131,859.44 is: 196,612.95
Step by Step Solution
- Step 1: Write the proportion equation
148,344.56 : 221,193.58 = 131,859.44 : x - Step 2: Convert to fraction form
148,344.56/221,193.58 = 131,859.44/x - Step 3: Cross multiply
148,344.56x = 221,193.58 × 131,859.44 - Step 4: Simplify right side
148,344.56x = 29,166,461,590.40 - Step 5: Solve for x
x = 29,166,461,590.40/148,344.56 - Step 6: Final answer
x = 196,612.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.