Finding the Fourth Proportional to 399,006.68, 598,730.36 and 162,515.84
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Solution
The fourth proportional to 399,006.68, 598,730.36 and 162,515.84 is: 243,863.50
Step by Step Solution
- Step 1: Write the proportion equation
399,006.68 : 598,730.36 = 162,515.84 : x - Step 2: Convert to fraction form
399,006.68/598,730.36 = 162,515.84/x - Step 3: Cross multiply
399,006.68x = 598,730.36 × 162,515.84 - Step 4: Simplify right side
399,006.68x = 97,303,167,388.90 - Step 5: Solve for x
x = 97,303,167,388.90/399,006.68 - Step 6: Final answer
x = 243,863.50
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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.