Finding the Fourth Proportional to 167,421.80, 251,132.70 and 56,613.80
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Solution
The fourth proportional to 167,421.80, 251,132.70 and 56,613.80 is: 84,920.70
Step by Step Solution
- Step 1: Write the proportion equation
167,421.80 : 251,132.70 = 56,613.80 : x - Step 2: Convert to fraction form
167,421.80/251,132.70 = 56,613.80/x - Step 3: Cross multiply
167,421.80x = 251,132.70 × 56,613.80 - Step 4: Simplify right side
167,421.80x = 14,217,576,451.26 - Step 5: Solve for x
x = 14,217,576,451.26/167,421.80 - Step 6: Final answer
x = 84,920.70
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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.