Finding the Fourth Proportional to 587,739.70, 881,609.55 and 144,507.70
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Solution
The fourth proportional to 587,739.70, 881,609.55 and 144,507.70 is: 216,761.55
Step by Step Solution
- Step 1: Write the proportion equation
587,739.70 : 881,609.55 = 144,507.70 : x - Step 2: Convert to fraction form
587,739.70/881,609.55 = 144,507.70/x - Step 3: Cross multiply
587,739.70x = 881,609.55 × 144,507.70 - Step 4: Simplify right side
587,739.70x = 127,399,368,368.54 - Step 5: Solve for x
x = 127,399,368,368.54/587,739.70 - Step 6: Final answer
x = 216,761.55
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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.