Finding the Fourth Proportional to 457,847.29, 631,752.23 and 305,113.49
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Solution
The fourth proportional to 457,847.29, 631,752.23 and 305,113.49 is: 421,005.28
Step by Step Solution
- Step 1: Write the proportion equation
457,847.29 : 631,752.23 = 305,113.49 : x - Step 2: Convert to fraction form
457,847.29/631,752.23 = 305,113.49/x - Step 3: Cross multiply
457,847.29x = 631,752.23 × 305,113.49 - Step 4: Simplify right side
457,847.29x = 192,756,123,026.25 - Step 5: Solve for x
x = 192,756,123,026.25/457,847.29 - Step 6: Final answer
x = 421,005.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.