Finding the Fourth Proportional to 392,955.24, 589,432.09 and 108,645.06
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Solution
The fourth proportional to 392,955.24, 589,432.09 and 108,645.06 is: 162,967.38
Step by Step Solution
- Step 1: Write the proportion equation
392,955.24 : 589,432.09 = 108,645.06 : x - Step 2: Convert to fraction form
392,955.24/589,432.09 = 108,645.06/x - Step 3: Cross multiply
392,955.24x = 589,432.09 × 108,645.06 - Step 4: Simplify right side
392,955.24x = 64,038,884,783.98 - Step 5: Solve for x
x = 64,038,884,783.98/392,955.24 - Step 6: Final answer
x = 162,967.38
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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.