Finding the Fourth Proportional to 412,315.80, 618,473.70 and 246,427.80
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Solution
The fourth proportional to 412,315.80, 618,473.70 and 246,427.80 is: 369,641.70
Step by Step Solution
- Step 1: Write the proportion equation
412,315.80 : 618,473.70 = 246,427.80 : x - Step 2: Convert to fraction form
412,315.80/618,473.70 = 246,427.80/x - Step 3: Cross multiply
412,315.80x = 618,473.70 × 246,427.80 - Step 4: Simplify right side
412,315.80x = 152,409,113,248.86 - Step 5: Solve for x
x = 152,409,113,248.86/412,315.80 - Step 6: Final answer
x = 369,641.70
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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.