Finding the Fourth Proportional to 712,961.08, 1,069,442.34 and 180,482.08
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Solution
The fourth proportional to 712,961.08, 1,069,442.34 and 180,482.08 is: 270,723.30
Step by Step Solution
- Step 1: Write the proportion equation
712,961.08 : 1,069,442.34 = 180,482.08 : x - Step 2: Convert to fraction form
712,961.08/1,069,442.34 = 180,482.08/x - Step 3: Cross multiply
712,961.08x = 1,069,442.34 × 180,482.08 - Step 4: Simplify right side
712,961.08x = 193,015,177,963.27 - Step 5: Solve for x
x = 193,015,177,963.27/712,961.08 - Step 6: Final answer
x = 270,723.30
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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.