Finding the Fourth Proportional to 293,077.80, 439,616.70 and 106,021.80
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Solution
The fourth proportional to 293,077.80, 439,616.70 and 106,021.80 is: 159,032.70
Step by Step Solution
- Step 1: Write the proportion equation
293,077.80 : 439,616.70 = 106,021.80 : x - Step 2: Convert to fraction form
293,077.80/439,616.70 = 106,021.80/x - Step 3: Cross multiply
293,077.80x = 439,616.70 × 106,021.80 - Step 4: Simplify right side
293,077.80x = 46,608,953,844.06 - Step 5: Solve for x
x = 46,608,953,844.06/293,077.80 - Step 6: Final answer
x = 159,032.70
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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.