Finding the Fourth Proportional to 213,368.74, 320,253.99 and 108,263.14
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Solution
The fourth proportional to 213,368.74, 320,253.99 and 108,263.14 is: 162,496.64
Step by Step Solution
- Step 1: Write the proportion equation
213,368.74 : 320,253.99 = 108,263.14 : x - Step 2: Convert to fraction form
213,368.74/320,253.99 = 108,263.14/x - Step 3: Cross multiply
213,368.74x = 320,253.99 × 108,263.14 - Step 4: Simplify right side
213,368.74x = 34,671,702,554.93 - Step 5: Solve for x
x = 34,671,702,554.93/213,368.74 - Step 6: Final answer
x = 162,496.64
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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.