Finding the Fourth Proportional to 516,026.12, 774,014.36 and 174,446.80
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Solution
The fourth proportional to 516,026.12, 774,014.36 and 174,446.80 is: 261,661.80
Step by Step Solution
- Step 1: Write the proportion equation
516,026.12 : 774,014.36 = 174,446.80 : x - Step 2: Convert to fraction form
516,026.12/774,014.36 = 174,446.80/x - Step 3: Cross multiply
516,026.12x = 774,014.36 × 174,446.80 - Step 4: Simplify right side
516,026.12x = 135,024,325,448.78 - Step 5: Solve for x
x = 135,024,325,448.78/516,026.12 - Step 6: Final answer
x = 261,661.80
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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.