Finding the Fourth Proportional to 399,308.01, 597,142.76 and 298,177.08
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Solution
The fourth proportional to 399,308.01, 597,142.76 and 298,177.08 is: 445,907.12
Step by Step Solution
- Step 1: Write the proportion equation
399,308.01 : 597,142.76 = 298,177.08 : x - Step 2: Convert to fraction form
399,308.01/597,142.76 = 298,177.08/x - Step 3: Cross multiply
399,308.01x = 597,142.76 × 298,177.08 - Step 4: Simplify right side
399,308.01x = 178,054,283,029.06 - Step 5: Solve for x
x = 178,054,283,029.06/399,308.01 - Step 6: Final answer
x = 445,907.12
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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.