Finding the Fourth Proportional to 239,301.18, 330,237.81 and 131,875.07
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Solution
The fourth proportional to 239,301.18, 330,237.81 and 131,875.07 is: 181,988.79
Step by Step Solution
- Step 1: Write the proportion equation
239,301.18 : 330,237.81 = 131,875.07 : x - Step 2: Convert to fraction form
239,301.18/330,237.81 = 131,875.07/x - Step 3: Cross multiply
239,301.18x = 330,237.81 × 131,875.07 - Step 4: Simplify right side
239,301.18x = 43,550,132,659.21 - Step 5: Solve for x
x = 43,550,132,659.21/239,301.18 - Step 6: Final answer
x = 181,988.79
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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.