Finding the Fourth Proportional to 452,771.68, 679,156.80 and 120,347.68
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Solution
The fourth proportional to 452,771.68, 679,156.80 and 120,347.68 is: 180,521.33
Step by Step Solution
- Step 1: Write the proportion equation
452,771.68 : 679,156.80 = 120,347.68 : x - Step 2: Convert to fraction form
452,771.68/679,156.80 = 120,347.68/x - Step 3: Cross multiply
452,771.68x = 679,156.80 × 120,347.68 - Step 4: Simplify right side
452,771.68x = 81,734,945,236.22 - Step 5: Solve for x
x = 81,734,945,236.22/452,771.68 - Step 6: Final answer
x = 180,521.33
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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.