Finding the Fourth Proportional to 451,420.21, 677,423.79 and 195,502.79
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Solution
The fourth proportional to 451,420.21, 677,423.79 and 195,502.79 is: 293,381.29
Step by Step Solution
- Step 1: Write the proportion equation
451,420.21 : 677,423.79 = 195,502.79 : x - Step 2: Convert to fraction form
451,420.21/677,423.79 = 195,502.79/x - Step 3: Cross multiply
451,420.21x = 677,423.79 × 195,502.79 - Step 4: Simplify right side
451,420.21x = 132,438,242,650.93 - Step 5: Solve for x
x = 132,438,242,650.93/451,420.21 - Step 6: Final answer
x = 293,381.29
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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.