Finding the Fourth Proportional to 439,085.62, 605,904.68 and 266,979.68
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Solution
The fourth proportional to 439,085.62, 605,904.68 and 266,979.68 is: 368,411.60
Step by Step Solution
- Step 1: Write the proportion equation
439,085.62 : 605,904.68 = 266,979.68 : x - Step 2: Convert to fraction form
439,085.62/605,904.68 = 266,979.68/x - Step 3: Cross multiply
439,085.62x = 605,904.68 × 266,979.68 - Step 4: Simplify right side
439,085.62x = 161,764,237,576.90 - Step 5: Solve for x
x = 161,764,237,576.90/439,085.62 - Step 6: Final answer
x = 368,411.60
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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.