Finding the Fourth Proportional to 447,665.21, 671,075.71 and 222,813.08
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Solution
The fourth proportional to 447,665.21, 671,075.71 and 222,813.08 is: 334,009.53
Step by Step Solution
- Step 1: Write the proportion equation
447,665.21 : 671,075.71 = 222,813.08 : x - Step 2: Convert to fraction form
447,665.21/671,075.71 = 222,813.08/x - Step 3: Cross multiply
447,665.21x = 671,075.71 × 222,813.08 - Step 4: Simplify right side
447,665.21x = 149,524,444,462.41 - Step 5: Solve for x
x = 149,524,444,462.41/447,665.21 - Step 6: Final answer
x = 334,009.53
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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.