Finding the Fourth Proportional to 331,637.24, 457,603.36 and 186,423.70
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Solution
The fourth proportional to 331,637.24, 457,603.36 and 186,423.70 is: 257,233.21
Step by Step Solution
- Step 1: Write the proportion equation
331,637.24 : 457,603.36 = 186,423.70 : x - Step 2: Convert to fraction form
331,637.24/457,603.36 = 186,423.70/x - Step 3: Cross multiply
331,637.24x = 457,603.36 × 186,423.70 - Step 4: Simplify right side
331,637.24x = 85,308,111,503.63 - Step 5: Solve for x
x = 85,308,111,503.63/331,637.24 - Step 6: Final answer
x = 257,233.21
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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.