Finding the Fourth Proportional to 340,478.08, 469,355.66 and 217,952.42
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Solution
The fourth proportional to 340,478.08, 469,355.66 and 217,952.42 is: 300,451.65
Step by Step Solution
- Step 1: Write the proportion equation
340,478.08 : 469,355.66 = 217,952.42 : x - Step 2: Convert to fraction form
340,478.08/469,355.66 = 217,952.42/x - Step 3: Cross multiply
340,478.08x = 469,355.66 × 217,952.42 - Step 4: Simplify right side
340,478.08x = 102,297,201,937.70 - Step 5: Solve for x
x = 102,297,201,937.70/340,478.08 - Step 6: Final answer
x = 300,451.65
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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.