Finding the Fourth Proportional to 340,636.58, 470,078.62 and 197,479.62
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Solution
The fourth proportional to 340,636.58, 470,078.62 and 197,479.62 is: 272,521.96
Step by Step Solution
- Step 1: Write the proportion equation
340,636.58 : 470,078.62 = 197,479.62 : x - Step 2: Convert to fraction form
340,636.58/470,078.62 = 197,479.62/x - Step 3: Cross multiply
340,636.58x = 470,078.62 × 197,479.62 - Step 4: Simplify right side
340,636.58x = 92,830,947,247.72 - Step 5: Solve for x
x = 92,830,947,247.72/340,636.58 - Step 6: Final answer
x = 272,521.96
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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.