Finding the Fourth Proportional to 252,698.13, 348,743.88 and 145,303.07
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Solution
The fourth proportional to 252,698.13, 348,743.88 and 145,303.07 is: 200,529.99
Step by Step Solution
- Step 1: Write the proportion equation
252,698.13 : 348,743.88 = 145,303.07 : x - Step 2: Convert to fraction form
252,698.13/348,743.88 = 145,303.07/x - Step 3: Cross multiply
252,698.13x = 348,743.88 × 145,303.07 - Step 4: Simplify right side
252,698.13x = 50,673,554,663.99 - Step 5: Solve for x
x = 50,673,554,663.99/252,698.13 - Step 6: Final answer
x = 200,529.99
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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.