Finding the Fourth Proportional to 838,705.06, 1,257,878.97 and 239,507.14
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Solution
The fourth proportional to 838,705.06, 1,257,878.97 and 239,507.14 is: 359,209.70
Step by Step Solution
- Step 1: Write the proportion equation
838,705.06 : 1,257,878.97 = 239,507.14 : x - Step 2: Convert to fraction form
838,705.06/1,257,878.97 = 239,507.14/x - Step 3: Cross multiply
838,705.06x = 1,257,878.97 × 239,507.14 - Step 4: Simplify right side
838,705.06x = 301,270,994,570.85 - Step 5: Solve for x
x = 301,270,994,570.85/838,705.06 - Step 6: Final answer
x = 359,209.70
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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.