Finding the Fourth Proportional to 470,075.24, 648,719.34 and 266,121.99
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Solution
The fourth proportional to 470,075.24, 648,719.34 and 266,121.99 is: 367,257.13
Step by Step Solution
- Step 1: Write the proportion equation
470,075.24 : 648,719.34 = 266,121.99 : x - Step 2: Convert to fraction form
470,075.24/648,719.34 = 266,121.99/x - Step 3: Cross multiply
470,075.24x = 648,719.34 × 266,121.99 - Step 4: Simplify right side
470,075.24x = 172,638,481,712.29 - Step 5: Solve for x
x = 172,638,481,712.29/470,075.24 - Step 6: Final answer
x = 367,257.13
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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.