Finding the Fourth Proportional to 399,913.29, 599,871.08 and 115,626.98
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Solution
The fourth proportional to 399,913.29, 599,871.08 and 115,626.98 is: 173,440.80
Step by Step Solution
- Step 1: Write the proportion equation
399,913.29 : 599,871.08 = 115,626.98 : x - Step 2: Convert to fraction form
399,913.29/599,871.08 = 115,626.98/x - Step 3: Cross multiply
399,913.29x = 599,871.08 × 115,626.98 - Step 4: Simplify right side
399,913.29x = 69,361,282,291.28 - Step 5: Solve for x
x = 69,361,282,291.28/399,913.29 - Step 6: Final answer
x = 173,440.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.