Finding the Fourth Proportional to 415,516.08, 573,679.07 and 260,679.65
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Solution
The fourth proportional to 415,516.08, 573,679.07 and 260,679.65 is: 359,905.34
Step by Step Solution
- Step 1: Write the proportion equation
415,516.08 : 573,679.07 = 260,679.65 : x - Step 2: Convert to fraction form
415,516.08/573,679.07 = 260,679.65/x - Step 3: Cross multiply
415,516.08x = 573,679.07 × 260,679.65 - Step 4: Simplify right side
415,516.08x = 149,546,455,008.13 - Step 5: Solve for x
x = 149,546,455,008.13/415,516.08 - Step 6: Final answer
x = 359,905.34
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1.5x scale
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.