Finding the Fourth Proportional to 438,716.84, 605,470.12 and 266,595.08
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Solution
The fourth proportional to 438,716.84, 605,470.12 and 266,595.08 is: 367,926.05
Step by Step Solution
- Step 1: Write the proportion equation
438,716.84 : 605,470.12 = 266,595.08 : x - Step 2: Convert to fraction form
438,716.84/605,470.12 = 266,595.08/x - Step 3: Cross multiply
438,716.84x = 605,470.12 × 266,595.08 - Step 4: Simplify right side
438,716.84x = 161,415,355,079.01 - Step 5: Solve for x
x = 161,415,355,079.01/438,716.84 - Step 6: Final answer
x = 367,926.05
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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.