Finding the Fourth Proportional to 412,652.58, 618,855.51 and 124,452.15
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Solution
The fourth proportional to 412,652.58, 618,855.51 and 124,452.15 is: 186,641.02
Step by Step Solution
- Step 1: Write the proportion equation
412,652.58 : 618,855.51 = 124,452.15 : x - Step 2: Convert to fraction form
412,652.58/618,855.51 = 124,452.15/x - Step 3: Cross multiply
412,652.58x = 618,855.51 × 124,452.15 - Step 4: Simplify right side
412,652.58x = 77,017,898,758.85 - Step 5: Solve for x
x = 77,017,898,758.85/412,652.58 - Step 6: Final answer
x = 186,641.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.