Finding the Fourth Proportional to 610,445.70, 915,668.55 and 167,213.70
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Solution
The fourth proportional to 610,445.70, 915,668.55 and 167,213.70 is: 250,820.55
Step by Step Solution
- Step 1: Write the proportion equation
610,445.70 : 915,668.55 = 167,213.70 : x - Step 2: Convert to fraction form
610,445.70/915,668.55 = 167,213.70/x - Step 3: Cross multiply
610,445.70x = 915,668.55 × 167,213.70 - Step 4: Simplify right side
610,445.70x = 153,112,326,219.14 - Step 5: Solve for x
x = 153,112,326,219.14/610,445.70 - Step 6: Final answer
x = 250,820.55
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Similar ratio
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1.5x scale
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.