Finding the Fourth Proportional to 343,221.71, 473,623.40 and 192,289.55
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Solution
The fourth proportional to 343,221.71, 473,623.40 and 192,289.55 is: 265,346.94
Step by Step Solution
- Step 1: Write the proportion equation
343,221.71 : 473,623.40 = 192,289.55 : x - Step 2: Convert to fraction form
343,221.71/473,623.40 = 192,289.55/x - Step 3: Cross multiply
343,221.71x = 473,623.40 × 192,289.55 - Step 4: Simplify right side
343,221.71x = 91,072,828,568.08 - Step 5: Solve for x
x = 91,072,828,568.08/343,221.71 - Step 6: Final answer
x = 265,346.94
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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.