Finding the Fourth Proportional to 879,219.98, 1,318,645.42 and 247,986.17
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Solution
The fourth proportional to 879,219.98, 1,318,645.42 and 247,986.17 is: 371,927.20
Step by Step Solution
- Step 1: Write the proportion equation
879,219.98 : 1,318,645.42 = 247,986.17 : x - Step 2: Convert to fraction form
879,219.98/1,318,645.42 = 247,986.17/x - Step 3: Cross multiply
879,219.98x = 1,318,645.42 × 247,986.17 - Step 4: Simplify right side
879,219.98x = 327,005,829,970.49 - Step 5: Solve for x
x = 327,005,829,970.49/879,219.98 - Step 6: Final answer
x = 371,927.20
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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.