Finding the Fourth Proportional to 399,002.68, 598,724.34 and 162,511.84
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Solution
The fourth proportional to 399,002.68, 598,724.34 and 162,511.84 is: 243,857.50
Step by Step Solution
- Step 1: Write the proportion equation
399,002.68 : 598,724.34 = 162,511.84 : x - Step 2: Convert to fraction form
399,002.68/598,724.34 = 162,511.84/x - Step 3: Cross multiply
399,002.68x = 598,724.34 × 162,511.84 - Step 4: Simplify right side
399,002.68x = 97,299,794,146.19 - Step 5: Solve for x
x = 97,299,794,146.19/399,002.68 - Step 6: Final answer
x = 243,857.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.