Finding the Fourth Proportional to 302,678.16, 417,735.84 and 195,559.80
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Solution
The fourth proportional to 302,678.16, 417,735.84 and 195,559.80 is: 269,898.35
Step by Step Solution
- Step 1: Write the proportion equation
302,678.16 : 417,735.84 = 195,559.80 : x - Step 2: Convert to fraction form
302,678.16/417,735.84 = 195,559.80/x - Step 3: Cross multiply
302,678.16x = 417,735.84 × 195,559.80 - Step 4: Simplify right side
302,678.16x = 81,692,337,323.23 - Step 5: Solve for x
x = 81,692,337,323.23/302,678.16 - Step 6: Final answer
x = 269,898.35
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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.