Finding the Fourth Proportional to 438,715.84, 605,468.74 and 266,594.08
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Solution
The fourth proportional to 438,715.84, 605,468.74 and 266,594.08 is: 367,924.67
Step by Step Solution
- Step 1: Write the proportion equation
438,715.84 : 605,468.74 = 266,594.08 : x - Step 2: Convert to fraction form
438,715.84/605,468.74 = 266,594.08/x - Step 3: Cross multiply
438,715.84x = 605,468.74 × 266,594.08 - Step 4: Simplify right side
438,715.84x = 161,414,381,709.06 - Step 5: Solve for x
x = 161,414,381,709.06/438,715.84 - Step 6: Final answer
x = 367,924.67
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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.