Finding the Fourth Proportional to 646,742.76, 969,877.62 and 247,185.96
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Solution
The fourth proportional to 646,742.76, 969,877.62 and 247,185.96 is: 370,688.54
Step by Step Solution
- Step 1: Write the proportion equation
646,742.76 : 969,877.62 = 247,185.96 : x - Step 2: Convert to fraction form
646,742.76/969,877.62 = 247,185.96/x - Step 3: Cross multiply
646,742.76x = 969,877.62 × 247,185.96 - Step 4: Simplify right side
646,742.76x = 239,740,130,582.22 - Step 5: Solve for x
x = 239,740,130,582.22/646,742.76 - Step 6: Final answer
x = 370,688.54
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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.