Finding the Fourth Proportional to 305,318.60, 457,903.23 and 238,593.23
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Solution
The fourth proportional to 305,318.60, 457,903.23 and 238,593.23 is: 357,831.49
Step by Step Solution
- Step 1: Write the proportion equation
305,318.60 : 457,903.23 = 238,593.23 : x - Step 2: Convert to fraction form
305,318.60/457,903.23 = 238,593.23/x - Step 3: Cross multiply
305,318.60x = 457,903.23 × 238,593.23 - Step 4: Simplify right side
305,318.60x = 109,252,610,673.13 - Step 5: Solve for x
x = 109,252,610,673.13/305,318.60 - Step 6: Final answer
x = 357,831.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.