Finding the Fourth Proportional to 392,724.18, 589,297.68 and 156,068.91
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Solution
The fourth proportional to 392,724.18, 589,297.68 and 156,068.91 is: 234,187.38
Step by Step Solution
- Step 1: Write the proportion equation
392,724.18 : 589,297.68 = 156,068.91 : x - Step 2: Convert to fraction form
392,724.18/589,297.68 = 156,068.91/x - Step 3: Cross multiply
392,724.18x = 589,297.68 × 156,068.91 - Step 4: Simplify right side
392,724.18x = 91,971,046,583.13 - Step 5: Solve for x
x = 91,971,046,583.13/392,724.18 - Step 6: Final answer
x = 234,187.38
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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.