Finding the Fourth Proportional to 102,281.24, 153,415.11 and 49,011.32
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Solution
The fourth proportional to 102,281.24, 153,415.11 and 49,011.32 is: 73,513.75
Step by Step Solution
- Step 1: Write the proportion equation
102,281.24 : 153,415.11 = 49,011.32 : x - Step 2: Convert to fraction form
102,281.24/153,415.11 = 49,011.32/x - Step 3: Cross multiply
102,281.24x = 153,415.11 × 49,011.32 - Step 4: Simplify right side
102,281.24x = 7,519,077,049.05 - Step 5: Solve for x
x = 7,519,077,049.05/102,281.24 - Step 6: Final answer
x = 73,513.75
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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.