Finding the Fourth Proportional to 610,439.70, 915,659.55 and 167,207.70
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Solution
The fourth proportional to 610,439.70, 915,659.55 and 167,207.70 is: 250,811.55
Step by Step Solution
- Step 1: Write the proportion equation
610,439.70 : 915,659.55 = 167,207.70 : x - Step 2: Convert to fraction form
610,439.70/915,659.55 = 167,207.70/x - Step 3: Cross multiply
610,439.70x = 915,659.55 × 167,207.70 - Step 4: Simplify right side
610,439.70x = 153,105,327,338.54 - Step 5: Solve for x
x = 153,105,327,338.54/610,439.70 - Step 6: Final answer
x = 250,811.55
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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.