Finding the Fourth Proportional to 533,328.21, 799,992.36 and 213,625.26
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Solution
The fourth proportional to 533,328.21, 799,992.36 and 213,625.26 is: 320,437.91
Step by Step Solution
- Step 1: Write the proportion equation
533,328.21 : 799,992.36 = 213,625.26 : x - Step 2: Convert to fraction form
533,328.21/799,992.36 = 213,625.26/x - Step 3: Cross multiply
533,328.21x = 799,992.36 × 213,625.26 - Step 4: Simplify right side
533,328.21x = 170,898,575,903.01 - Step 5: Solve for x
x = 170,898,575,903.01/533,328.21 - Step 6: Final answer
x = 320,437.91
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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.