Finding the Fourth Proportional to 588,993.12, 883,489.68 and 145,761.12
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Solution
The fourth proportional to 588,993.12, 883,489.68 and 145,761.12 is: 218,641.68
Step by Step Solution
- Step 1: Write the proportion equation
588,993.12 : 883,489.68 = 145,761.12 : x - Step 2: Convert to fraction form
588,993.12/883,489.68 = 145,761.12/x - Step 3: Cross multiply
588,993.12x = 883,489.68 × 145,761.12 - Step 4: Simplify right side
588,993.12x = 128,778,445,265.24 - Step 5: Solve for x
x = 128,778,445,265.24/588,993.12 - Step 6: Final answer
x = 218,641.68
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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.