Finding the Fourth Proportional to 450,421.08, 621,571.50 and 246,471.18
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Solution
The fourth proportional to 450,421.08, 621,571.50 and 246,471.18 is: 340,124.98
Step by Step Solution
- Step 1: Write the proportion equation
450,421.08 : 621,571.50 = 246,471.18 : x - Step 2: Convert to fraction form
450,421.08/621,571.50 = 246,471.18/x - Step 3: Cross multiply
450,421.08x = 621,571.50 × 246,471.18 - Step 4: Simplify right side
450,421.08x = 153,199,461,059.37 - Step 5: Solve for x
x = 153,199,461,059.37/450,421.08 - Step 6: Final answer
x = 340,124.98
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1.5x scale
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.