Finding the Fourth Proportional to 239,133.19, 330,018.71 and 131,703.19
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Solution
The fourth proportional to 239,133.19, 330,018.71 and 131,703.19 is: 181,758.61
Step by Step Solution
- Step 1: Write the proportion equation
239,133.19 : 330,018.71 = 131,703.19 : x - Step 2: Convert to fraction form
239,133.19/330,018.71 = 131,703.19/x - Step 3: Cross multiply
239,133.19x = 330,018.71 × 131,703.19 - Step 4: Simplify right side
239,133.19x = 43,464,516,866.68 - Step 5: Solve for x
x = 43,464,516,866.68/239,133.19 - Step 6: Final answer
x = 181,758.61
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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.