Finding the Fourth Proportional to 449,496.23, 620,323.61 and 258,509.75
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Solution
The fourth proportional to 449,496.23, 620,323.61 and 258,509.75 is: 356,754.27
Step by Step Solution
- Step 1: Write the proportion equation
449,496.23 : 620,323.61 = 258,509.75 : x - Step 2: Convert to fraction form
449,496.23/620,323.61 = 258,509.75/x - Step 3: Cross multiply
449,496.23x = 620,323.61 × 258,509.75 - Step 4: Simplify right side
449,496.23x = 160,359,696,946.03 - Step 5: Solve for x
x = 160,359,696,946.03/449,496.23 - Step 6: Final answer
x = 356,754.27
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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.