Finding the Fourth Proportional to 297,657.69, 446,548.04 and 97,990.05
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Solution
The fourth proportional to 297,657.69, 446,548.04 and 97,990.05 is: 147,005.33
Step by Step Solution
- Step 1: Write the proportion equation
297,657.69 : 446,548.04 = 97,990.05 : x - Step 2: Convert to fraction form
297,657.69/446,548.04 = 97,990.05/x - Step 3: Cross multiply
297,657.69x = 446,548.04 × 97,990.05 - Step 4: Simplify right side
297,657.69x = 43,757,266,319.07 - Step 5: Solve for x
x = 43,757,266,319.07/297,657.69 - Step 6: Final answer
x = 147,005.33
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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.