Finding the Fourth Proportional to 305,317.60, 457,901.73 and 238,592.23
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Solution
The fourth proportional to 305,317.60, 457,901.73 and 238,592.23 is: 357,829.99
Step by Step Solution
- Step 1: Write the proportion equation
305,317.60 : 457,901.73 = 238,592.23 : x - Step 2: Convert to fraction form
305,317.60/457,901.73 = 238,592.23/x - Step 3: Cross multiply
305,317.60x = 457,901.73 × 238,592.23 - Step 4: Simplify right side
305,317.60x = 109,251,794,881.56 - Step 5: Solve for x
x = 109,251,794,881.56/305,317.60 - Step 6: Final answer
x = 357,829.99
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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.