Finding the Fourth Proportional to 341,572.79, 471,412.01 and 198,332.84
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Solution
The fourth proportional to 341,572.79, 471,412.01 and 198,332.84 is: 273,723.45
Step by Step Solution
- Step 1: Write the proportion equation
341,572.79 : 471,412.01 = 198,332.84 : x - Step 2: Convert to fraction form
341,572.79/471,412.01 = 198,332.84/x - Step 3: Cross multiply
341,572.79x = 471,412.01 × 198,332.84 - Step 4: Simplify right side
341,572.79x = 93,496,481,776.08 - Step 5: Solve for x
x = 93,496,481,776.08/341,572.79 - Step 6: Final answer
x = 273,723.45
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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.