Finding the Fourth Proportional to 412,620.10, 569,415.24 and 231,332.08
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Solution
The fourth proportional to 412,620.10, 569,415.24 and 231,332.08 is: 319,237.99
Step by Step Solution
- Step 1: Write the proportion equation
412,620.10 : 569,415.24 = 231,332.08 : x - Step 2: Convert to fraction form
412,620.10/569,415.24 = 231,332.08/x - Step 3: Cross multiply
412,620.10x = 569,415.24 × 231,332.08 - Step 4: Simplify right side
412,620.10x = 131,724,011,852.90 - Step 5: Solve for x
x = 131,724,011,852.90/412,620.10 - Step 6: Final answer
x = 319,237.99
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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.