Finding the Fourth Proportional to 412,866.21, 569,726.11 and 229,114.65
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Solution
The fourth proportional to 412,866.21, 569,726.11 and 229,114.65 is: 316,161.98
Step by Step Solution
- Step 1: Write the proportion equation
412,866.21 : 569,726.11 = 229,114.65 : x - Step 2: Convert to fraction form
412,866.21/569,726.11 = 229,114.65/x - Step 3: Cross multiply
412,866.21x = 569,726.11 × 229,114.65 - Step 4: Simplify right side
412,866.21x = 130,532,598,288.51 - Step 5: Solve for x
x = 130,532,598,288.51/412,866.21 - Step 6: Final answer
x = 316,161.98
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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.