Finding the Fourth Proportional to 245,939.05, 368,903.71 and 79,727.05
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Solution
The fourth proportional to 245,939.05, 368,903.71 and 79,727.05 is: 119,589.00
Step by Step Solution
- Step 1: Write the proportion equation
245,939.05 : 368,903.71 = 79,727.05 : x - Step 2: Convert to fraction form
245,939.05/368,903.71 = 79,727.05/x - Step 3: Cross multiply
245,939.05x = 368,903.71 × 79,727.05 - Step 4: Simplify right side
245,939.05x = 29,411,604,532.36 - Step 5: Solve for x
x = 29,411,604,532.36/245,939.05 - Step 6: Final answer
x = 119,589.00
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1.5x scale
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.