Finding the Fourth Proportional to 245,355.80, 368,045.85 and 127,257.80
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Solution
The fourth proportional to 245,355.80, 368,045.85 and 127,257.80 is: 190,893.00
Step by Step Solution
- Step 1: Write the proportion equation
245,355.80 : 368,045.85 = 127,257.80 : x - Step 2: Convert to fraction form
245,355.80/368,045.85 = 127,257.80/x - Step 3: Cross multiply
245,355.80x = 368,045.85 × 127,257.80 - Step 4: Simplify right side
245,355.80x = 46,836,705,170.13 - Step 5: Solve for x
x = 46,836,705,170.13/245,355.80 - Step 6: Final answer
x = 190,893.00
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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.