Finding the Fourth Proportional to 172,178.06, 237,624.99 and 104,232.50
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Solution
The fourth proportional to 172,178.06, 237,624.99 and 104,232.50 is: 143,852.51
Step by Step Solution
- Step 1: Write the proportion equation
172,178.06 : 237,624.99 = 104,232.50 : x - Step 2: Convert to fraction form
172,178.06/237,624.99 = 104,232.50/x - Step 3: Cross multiply
172,178.06x = 237,624.99 × 104,232.50 - Step 4: Simplify right side
172,178.06x = 24,768,245,582.05 - Step 5: Solve for x
x = 24,768,245,582.05/172,178.06 - Step 6: Final answer
x = 143,852.51
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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.