Finding the Fourth Proportional to 279,537.62, 385,751.43 and 170,823.74
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Solution
The fourth proportional to 279,537.62, 385,751.43 and 170,823.74 is: 235,730.35
Step by Step Solution
- Step 1: Write the proportion equation
279,537.62 : 385,751.43 = 170,823.74 : x - Step 2: Convert to fraction form
279,537.62/385,751.43 = 170,823.74/x - Step 3: Cross multiply
279,537.62x = 385,751.43 × 170,823.74 - Step 4: Simplify right side
279,537.62x = 65,895,500,054.19 - Step 5: Solve for x
x = 65,895,500,054.19/279,537.62 - Step 6: Final answer
x = 235,730.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.