Finding the Fourth Proportional to 274,279.55, 411,271.40 and 124,438.09
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Solution
The fourth proportional to 274,279.55, 411,271.40 and 124,438.09 is: 186,590.01
Step by Step Solution
- Step 1: Write the proportion equation
274,279.55 : 411,271.40 = 124,438.09 : x - Step 2: Convert to fraction form
274,279.55/411,271.40 = 124,438.09/x - Step 3: Cross multiply
274,279.55x = 411,271.40 × 124,438.09 - Step 4: Simplify right side
274,279.55x = 51,177,824,809.08 - Step 5: Solve for x
x = 51,177,824,809.08/274,279.55 - Step 6: Final answer
x = 186,590.01
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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.