Finding the Fourth Proportional to 434,430.80, 651,451.80 and 168,102.80
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Solution
The fourth proportional to 434,430.80, 651,451.80 and 168,102.80 is: 252,078.98
Step by Step Solution
- Step 1: Write the proportion equation
434,430.80 : 651,451.80 = 168,102.80 : x - Step 2: Convert to fraction form
434,430.80/651,451.80 = 168,102.80/x - Step 3: Cross multiply
434,430.80x = 651,451.80 × 168,102.80 - Step 4: Simplify right side
434,430.80x = 109,510,871,645.04 - Step 5: Solve for x
x = 109,510,871,645.04/434,430.80 - Step 6: Final answer
x = 252,078.98
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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.