Finding the Fourth Proportional to 476,722.02, 658,303.56 and 355,653.12
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Solution
The fourth proportional to 476,722.02, 658,303.56 and 355,653.12 is: 491,119.99
Step by Step Solution
- Step 1: Write the proportion equation
476,722.02 : 658,303.56 = 355,653.12 : x - Step 2: Convert to fraction form
476,722.02/658,303.56 = 355,653.12/x - Step 3: Cross multiply
476,722.02x = 658,303.56 × 355,653.12 - Step 4: Simplify right side
476,722.02x = 234,127,715,021.11 - Step 5: Solve for x
x = 234,127,715,021.11/476,722.02 - Step 6: Final answer
x = 491,119.99
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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.