Finding the Fourth Proportional to 345,188.99, 476,115.42 and 230,409.76
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Solution
The fourth proportional to 345,188.99, 476,115.42 and 230,409.76 is: 317,801.67
Step by Step Solution
- Step 1: Write the proportion equation
345,188.99 : 476,115.42 = 230,409.76 : x - Step 2: Convert to fraction form
345,188.99/476,115.42 = 230,409.76/x - Step 3: Cross multiply
345,188.99x = 476,115.42 × 230,409.76 - Step 4: Simplify right side
345,188.99x = 109,701,637,600.17 - Step 5: Solve for x
x = 109,701,637,600.17/345,188.99 - Step 6: Final answer
x = 317,801.67
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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.