Finding the Fourth Proportional to 340,953.09, 470,716.86 and 303,122.63
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Solution
The fourth proportional to 340,953.09, 470,716.86 and 303,122.63 is: 418,488.45
Step by Step Solution
- Step 1: Write the proportion equation
340,953.09 : 470,716.86 = 303,122.63 : x - Step 2: Convert to fraction form
340,953.09/470,716.86 = 303,122.63/x - Step 3: Cross multiply
340,953.09x = 470,716.86 × 303,122.63 - Step 4: Simplify right side
340,953.09x = 142,684,928,719.34 - Step 5: Solve for x
x = 142,684,928,719.34/340,953.09 - Step 6: Final answer
x = 418,488.45
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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.