Finding the Fourth Proportional to 385,473.90, 578,265.93 and 119,257.14
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Solution
The fourth proportional to 385,473.90, 578,265.93 and 119,257.14 is: 178,902.75
Step by Step Solution
- Step 1: Write the proportion equation
385,473.90 : 578,265.93 = 119,257.14 : x - Step 2: Convert to fraction form
385,473.90/578,265.93 = 119,257.14/x - Step 3: Cross multiply
385,473.90x = 578,265.93 × 119,257.14 - Step 4: Simplify right side
385,473.90x = 68,962,340,971.24 - Step 5: Solve for x
x = 68,962,340,971.24/385,473.90 - Step 6: Final answer
x = 178,902.75
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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.