Finding the Fourth Proportional to 452,747.68, 679,120.80 and 120,323.68
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Solution
The fourth proportional to 452,747.68, 679,120.80 and 120,323.68 is: 180,485.33
Step by Step Solution
- Step 1: Write the proportion equation
452,747.68 : 679,120.80 = 120,323.68 : x - Step 2: Convert to fraction form
452,747.68/679,120.80 = 120,323.68/x - Step 3: Cross multiply
452,747.68x = 679,120.80 × 120,323.68 - Step 4: Simplify right side
452,747.68x = 81,714,313,820.54 - Step 5: Solve for x
x = 81,714,313,820.54/452,747.68 - Step 6: Final answer
x = 180,485.33
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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.