Finding the Fourth Proportional to 110,448.99, 165,678.95 and 31,574.84
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Solution
The fourth proportional to 110,448.99, 165,678.95 and 31,574.84 is: 47,363.82
Step by Step Solution
- Step 1: Write the proportion equation
110,448.99 : 165,678.95 = 31,574.84 : x - Step 2: Convert to fraction form
110,448.99/165,678.95 = 31,574.84/x - Step 3: Cross multiply
110,448.99x = 165,678.95 × 31,574.84 - Step 4: Simplify right side
110,448.99x = 5,231,285,588.16 - Step 5: Solve for x
x = 5,231,285,588.16/110,448.99 - Step 6: Final answer
x = 47,363.82
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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.