Finding the Fourth Proportional to 385,751.18, 578,719.14 and 160,986.62
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Solution
The fourth proportional to 385,751.18, 578,719.14 and 160,986.62 is: 241,518.48
Step by Step Solution
- Step 1: Write the proportion equation
385,751.18 : 578,719.14 = 160,986.62 : x - Step 2: Convert to fraction form
385,751.18/578,719.14 = 160,986.62/x - Step 3: Cross multiply
385,751.18x = 578,719.14 × 160,986.62 - Step 4: Simplify right side
385,751.18x = 93,166,038,277.91 - Step 5: Solve for x
x = 93,166,038,277.91/385,751.18 - Step 6: Final answer
x = 241,518.48
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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.