Finding the Fourth Proportional to 302,908.16, 417,767.87 and 266,531.06
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Solution
The fourth proportional to 302,908.16, 417,767.87 and 266,531.06 is: 367,596.94
Step by Step Solution
- Step 1: Write the proportion equation
302,908.16 : 417,767.87 = 266,531.06 : x - Step 2: Convert to fraction form
302,908.16/417,767.87 = 266,531.06/x - Step 3: Cross multiply
302,908.16x = 417,767.87 × 266,531.06 - Step 4: Simplify right side
302,908.16x = 111,348,109,803.55 - Step 5: Solve for x
x = 111,348,109,803.55/302,908.16 - Step 6: Final answer
x = 367,596.94
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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.