Finding the Fourth Proportional to 115,460.10, 159,318.99 and 64,466.88
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Solution
The fourth proportional to 115,460.10, 159,318.99 and 64,466.88 is: 88,955.39
Step by Step Solution
- Step 1: Write the proportion equation
115,460.10 : 159,318.99 = 64,466.88 : x - Step 2: Convert to fraction form
115,460.10/159,318.99 = 64,466.88/x - Step 3: Cross multiply
115,460.10x = 159,318.99 × 64,466.88 - Step 4: Simplify right side
115,460.10x = 10,270,798,210.05 - Step 5: Solve for x
x = 10,270,798,210.05/115,460.10 - Step 6: Final answer
x = 88,955.39
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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.