Finding the Fourth Proportional to 450,479.85, 621,635.40 and 246,490.08
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Solution
The fourth proportional to 450,479.85, 621,635.40 and 246,490.08 is: 340,141.65
Step by Step Solution
- Step 1: Write the proportion equation
450,479.85 : 621,635.40 = 246,490.08 : x - Step 2: Convert to fraction form
450,479.85/621,635.40 = 246,490.08/x - Step 3: Cross multiply
450,479.85x = 621,635.40 × 246,490.08 - Step 4: Simplify right side
450,479.85x = 153,226,959,476.83 - Step 5: Solve for x
x = 153,226,959,476.83/450,479.85 - Step 6: Final answer
x = 340,141.65
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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.