Finding the Fourth Proportional to 245,344.80, 368,029.35 and 127,246.80
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Solution
The fourth proportional to 245,344.80, 368,029.35 and 127,246.80 is: 190,876.50
Step by Step Solution
- Step 1: Write the proportion equation
245,344.80 : 368,029.35 = 127,246.80 : x - Step 2: Convert to fraction form
245,344.80/368,029.35 = 127,246.80/x - Step 3: Cross multiply
245,344.80x = 368,029.35 × 127,246.80 - Step 4: Simplify right side
245,344.80x = 46,830,557,093.58 - Step 5: Solve for x
x = 46,830,557,093.58/245,344.80 - Step 6: Final answer
x = 190,876.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.