Finding the Fourth Proportional to 340,432.08, 469,725.06 and 197,183.58
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Solution
The fourth proportional to 340,432.08, 469,725.06 and 197,183.58 is: 272,072.09
Step by Step Solution
- Step 1: Write the proportion equation
340,432.08 : 469,725.06 = 197,183.58 : x - Step 2: Convert to fraction form
340,432.08/469,725.06 = 197,183.58/x - Step 3: Cross multiply
340,432.08x = 469,725.06 × 197,183.58 - Step 4: Simplify right side
340,432.08x = 92,622,068,946.51 - Step 5: Solve for x
x = 92,622,068,946.51/340,432.08 - Step 6: Final answer
x = 272,072.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.