Finding the Fourth Proportional to 290,320.35, 435,368.21 and 112,803.99
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Solution
The fourth proportional to 290,320.35, 435,368.21 and 112,803.99 is: 169,162.34
Step by Step Solution
- Step 1: Write the proportion equation
290,320.35 : 435,368.21 = 112,803.99 : x - Step 2: Convert to fraction form
290,320.35/435,368.21 = 112,803.99/x - Step 3: Cross multiply
290,320.35x = 435,368.21 × 112,803.99 - Step 4: Simplify right side
290,320.35x = 49,111,270,643.14 - Step 5: Solve for x
x = 49,111,270,643.14/290,320.35 - Step 6: Final answer
x = 169,162.34
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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.