Finding the Fourth Proportional to 239,471.47, 330,485.61 and 132,041.35
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Solution
The fourth proportional to 239,471.47, 330,485.61 and 132,041.35 is: 182,225.32
Step by Step Solution
- Step 1: Write the proportion equation
239,471.47 : 330,485.61 = 132,041.35 : x - Step 2: Convert to fraction form
239,471.47/330,485.61 = 132,041.35/x - Step 3: Cross multiply
239,471.47x = 330,485.61 × 132,041.35 - Step 4: Simplify right side
239,471.47x = 43,637,766,099.97 - Step 5: Solve for x
x = 43,637,766,099.97/239,471.47 - Step 6: Final answer
x = 182,225.32
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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.