Finding the Fourth Proportional to 239,807.99, 330,935.08 and 132,378.09
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Solution
The fourth proportional to 239,807.99, 330,935.08 and 132,378.09 is: 182,681.79
Step by Step Solution
- Step 1: Write the proportion equation
239,807.99 : 330,935.08 = 132,378.09 : x - Step 2: Convert to fraction form
239,807.99/330,935.08 = 132,378.09/x - Step 3: Cross multiply
239,807.99x = 330,935.08 × 132,378.09 - Step 4: Simplify right side
239,807.99x = 43,808,553,804.40 - Step 5: Solve for x
x = 43,808,553,804.40/239,807.99 - Step 6: Final answer
x = 182,681.79
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1.5x scale
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.