Finding the Fourth Proportional to 490,075.13, 735,214.77 and 153,102.17
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Solution
The fourth proportional to 490,075.13, 735,214.77 and 153,102.17 is: 229,685.15
Step by Step Solution
- Step 1: Write the proportion equation
490,075.13 : 735,214.77 = 153,102.17 : x - Step 2: Convert to fraction form
490,075.13/735,214.77 = 153,102.17/x - Step 3: Cross multiply
490,075.13x = 735,214.77 × 153,102.17 - Step 4: Simplify right side
490,075.13x = 112,562,978,541.09 - Step 5: Solve for x
x = 112,562,978,541.09/490,075.13 - Step 6: Final answer
x = 229,685.15
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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.