Finding the Fourth Proportional to 378,479.84, 567,623.07 and 112,178.07
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Solution
The fourth proportional to 378,479.84, 567,623.07 and 112,178.07 is: 168,238.45
Step by Step Solution
- Step 1: Write the proportion equation
378,479.84 : 567,623.07 = 112,178.07 : x - Step 2: Convert to fraction form
378,479.84/567,623.07 = 112,178.07/x - Step 3: Cross multiply
378,479.84x = 567,623.07 × 112,178.07 - Step 4: Simplify right side
378,479.84x = 63,674,860,480.07 - Step 5: Solve for x
x = 63,674,860,480.07/378,479.84 - Step 6: Final answer
x = 168,238.45
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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.