Finding the Fourth Proportional to 396,316.16, 594,349.36 and 130,014.62
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Solution
The fourth proportional to 396,316.16, 594,349.36 and 130,014.62 is: 194,980.96
Step by Step Solution
- Step 1: Write the proportion equation
396,316.16 : 594,349.36 = 130,014.62 : x - Step 2: Convert to fraction form
396,316.16/594,349.36 = 130,014.62/x - Step 3: Cross multiply
396,316.16x = 594,349.36 × 130,014.62 - Step 4: Simplify right side
396,316.16x = 77,274,106,187.64 - Step 5: Solve for x
x = 77,274,106,187.64/396,316.16 - Step 6: Final answer
x = 194,980.96
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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.