Finding the Fourth Proportional to 104,384.99, 143,852.42 and 102,465.65
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Solution
The fourth proportional to 104,384.99, 143,852.42 and 102,465.65 is: 141,207.38
Step by Step Solution
- Step 1: Write the proportion equation
104,384.99 : 143,852.42 = 102,465.65 : x - Step 2: Convert to fraction form
104,384.99/143,852.42 = 102,465.65/x - Step 3: Cross multiply
104,384.99x = 143,852.42 × 102,465.65 - Step 4: Simplify right side
104,384.99x = 14,739,931,207.04 - Step 5: Solve for x
x = 14,739,931,207.04/104,384.99 - Step 6: Final answer
x = 141,207.38
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1.5x scale
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.