Finding the Fourth Proportional to 385,746.68, 578,712.36 and 160,982.12
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Solution
The fourth proportional to 385,746.68, 578,712.36 and 160,982.12 is: 241,511.72
Step by Step Solution
- Step 1: Write the proportion equation
385,746.68 : 578,712.36 = 160,982.12 : x - Step 2: Convert to fraction form
385,746.68/578,712.36 = 160,982.12/x - Step 3: Cross multiply
385,746.68x = 578,712.36 × 160,982.12 - Step 4: Simplify right side
385,746.68x = 93,162,342,583.00 - Step 5: Solve for x
x = 93,162,342,583.00/385,746.68 - Step 6: Final answer
x = 241,511.72
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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.