Finding the Fourth Proportional to 380,998.62, 571,454.19 and 100,537.74
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Solution
The fourth proportional to 380,998.62, 571,454.19 and 100,537.74 is: 150,795.07
Step by Step Solution
- Step 1: Write the proportion equation
380,998.62 : 571,454.19 = 100,537.74 : x - Step 2: Convert to fraction form
380,998.62/571,454.19 = 100,537.74/x - Step 3: Cross multiply
380,998.62x = 571,454.19 × 100,537.74 - Step 4: Simplify right side
380,998.62x = 57,452,712,776.13 - Step 5: Solve for x
x = 57,452,712,776.13/380,998.62 - Step 6: Final answer
x = 150,795.07
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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.