Finding the Fourth Proportional to 340,479.08, 469,357.04 and 217,953.42
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Solution
The fourth proportional to 340,479.08, 469,357.04 and 217,953.42 is: 300,453.03
Step by Step Solution
- Step 1: Write the proportion equation
340,479.08 : 469,357.04 = 217,953.42 : x - Step 2: Convert to fraction form
340,479.08/469,357.04 = 217,953.42/x - Step 3: Cross multiply
340,479.08x = 469,357.04 × 217,953.42 - Step 4: Simplify right side
340,479.08x = 102,297,972,069.08 - Step 5: Solve for x
x = 102,297,972,069.08/340,479.08 - Step 6: Final answer
x = 300,453.03
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1.5x scale
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.