Finding the Fourth Proportional to 436,395.79, 602,234.36 and 255,123.19
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Solution
The fourth proportional to 436,395.79, 602,234.36 and 255,123.19 is: 352,074.78
Step by Step Solution
- Step 1: Write the proportion equation
436,395.79 : 602,234.36 = 255,123.19 : x - Step 2: Convert to fraction form
436,395.79/602,234.36 = 255,123.19/x - Step 3: Cross multiply
436,395.79x = 602,234.36 × 255,123.19 - Step 4: Simplify right side
436,395.79x = 153,643,951,050.81 - Step 5: Solve for x
x = 153,643,951,050.81/436,395.79 - Step 6: Final answer
x = 352,074.78
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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.