Finding the Fourth Proportional to 461,690.88, 636,405.60 and 340,443.84
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Solution
The fourth proportional to 461,690.88, 636,405.60 and 340,443.84 is: 469,275.82
Step by Step Solution
- Step 1: Write the proportion equation
461,690.88 : 636,405.60 = 340,443.84 : x - Step 2: Convert to fraction form
461,690.88/636,405.60 = 340,443.84/x - Step 3: Cross multiply
461,690.88x = 636,405.60 × 340,443.84 - Step 4: Simplify right side
461,690.88x = 216,660,366,261.50 - Step 5: Solve for x
x = 216,660,366,261.50/461,690.88 - Step 6: Final answer
x = 469,275.82
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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.