Finding the Fourth Proportional to 246,605.36, 340,316.04 and 133,428.08
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Solution
The fourth proportional to 246,605.36, 340,316.04 and 133,428.08 is: 184,131.10
Step by Step Solution
- Step 1: Write the proportion equation
246,605.36 : 340,316.04 = 133,428.08 : x - Step 2: Convert to fraction form
246,605.36/340,316.04 = 133,428.08/x - Step 3: Cross multiply
246,605.36x = 340,316.04 × 133,428.08 - Step 4: Simplify right side
246,605.36x = 45,407,715,810.40 - Step 5: Solve for x
x = 45,407,715,810.40/246,605.36 - Step 6: Final answer
x = 184,131.10
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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.