Finding the Fourth Proportional to 340,871.36, 471,252.80 and 255,840.80
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Solution
The fourth proportional to 340,871.36, 471,252.80 and 255,840.80 is: 353,698.51
Step by Step Solution
- Step 1: Write the proportion equation
340,871.36 : 471,252.80 = 255,840.80 : x - Step 2: Convert to fraction form
340,871.36/471,252.80 = 255,840.80/x - Step 3: Cross multiply
340,871.36x = 471,252.80 × 255,840.80 - Step 4: Simplify right side
340,871.36x = 120,565,693,354.24 - Step 5: Solve for x
x = 120,565,693,354.24/340,871.36 - Step 6: Final answer
x = 353,698.51
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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.