Finding the Fourth Proportional to 340,803.81, 470,329.79 and 187,841.79
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Solution
The fourth proportional to 340,803.81, 470,329.79 and 187,841.79 is: 259,232.99
Step by Step Solution
- Step 1: Write the proportion equation
340,803.81 : 470,329.79 = 187,841.79 : x - Step 2: Convert to fraction form
340,803.81/470,329.79 = 187,841.79/x - Step 3: Cross multiply
340,803.81x = 470,329.79 × 187,841.79 - Step 4: Simplify right side
340,803.81x = 88,347,587,761.88 - Step 5: Solve for x
x = 88,347,587,761.88/340,803.81 - Step 6: Final answer
x = 259,232.99
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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.