Finding the Fourth Proportional to 485,990.54, 729,311.18 and 201,681.36
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Solution
The fourth proportional to 485,990.54, 729,311.18 and 201,681.36 is: 302,657.07
Step by Step Solution
- Step 1: Write the proportion equation
485,990.54 : 729,311.18 = 201,681.36 : x - Step 2: Convert to fraction form
485,990.54/729,311.18 = 201,681.36/x - Step 3: Cross multiply
485,990.54x = 729,311.18 × 201,681.36 - Step 4: Simplify right side
485,990.54x = 147,088,469,637.20 - Step 5: Solve for x
x = 147,088,469,637.20/485,990.54 - Step 6: Final answer
x = 302,657.07
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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.