Finding the Fourth Proportional to 302,918.74, 454,460.12 and 269,867.70
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Solution
The fourth proportional to 302,918.74, 454,460.12 and 269,867.70 is: 404,874.61
Step by Step Solution
- Step 1: Write the proportion equation
302,918.74 : 454,460.12 = 269,867.70 : x - Step 2: Convert to fraction form
302,918.74/454,460.12 = 269,867.70/x - Step 3: Cross multiply
302,918.74x = 454,460.12 × 269,867.70 - Step 4: Simplify right side
302,918.74x = 122,644,106,988.79 - Step 5: Solve for x
x = 122,644,106,988.79/302,918.74 - Step 6: Final answer
x = 404,874.61
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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.