Finding the Fourth Proportional to 343,588.13, 474,135.62 and 190,624.70
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Solution
The fourth proportional to 343,588.13, 474,135.62 and 190,624.70 is: 263,053.20
Step by Step Solution
- Step 1: Write the proportion equation
343,588.13 : 474,135.62 = 190,624.70 : x - Step 2: Convert to fraction form
343,588.13/474,135.62 = 190,624.70/x - Step 3: Cross multiply
343,588.13x = 474,135.62 × 190,624.70 - Step 4: Simplify right side
343,588.13x = 90,381,956,998.01 - Step 5: Solve for x
x = 90,381,956,998.01/343,588.13 - Step 6: Final answer
x = 263,053.20
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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.