Finding the Fourth Proportional to 318,209.48, 476,998.94 and 149,427.68
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Solution
The fourth proportional to 318,209.48, 476,998.94 and 149,427.68 is: 223,993.46
Step by Step Solution
- Step 1: Write the proportion equation
318,209.48 : 476,998.94 = 149,427.68 : x - Step 2: Convert to fraction form
318,209.48/476,998.94 = 149,427.68/x - Step 3: Cross multiply
318,209.48x = 476,998.94 × 149,427.68 - Step 4: Simplify right side
318,209.48x = 71,276,841,834.53 - Step 5: Solve for x
x = 71,276,841,834.53/318,209.48 - Step 6: Final answer
x = 223,993.46
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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.