Finding the Fourth Proportional to 478,107.84, 715,644.84 and 267,106.08
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Solution
The fourth proportional to 478,107.84, 715,644.84 and 267,106.08 is: 399,811.66
Step by Step Solution
- Step 1: Write the proportion equation
478,107.84 : 715,644.84 = 267,106.08 : x - Step 2: Convert to fraction form
478,107.84/715,644.84 = 267,106.08/x - Step 3: Cross multiply
478,107.84x = 715,644.84 × 267,106.08 - Step 4: Simplify right side
478,107.84x = 191,153,087,884.63 - Step 5: Solve for x
x = 191,153,087,884.63/478,107.84 - Step 6: Final answer
x = 399,811.66
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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.