Finding the Fourth Proportional to 216,697.42, 299,036.68 and 119,898.75
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Solution
The fourth proportional to 216,697.42, 299,036.68 and 119,898.75 is: 165,457.09
Step by Step Solution
- Step 1: Write the proportion equation
216,697.42 : 299,036.68 = 119,898.75 : x - Step 2: Convert to fraction form
216,697.42/299,036.68 = 119,898.75/x - Step 3: Cross multiply
216,697.42x = 299,036.68 × 119,898.75 - Step 4: Simplify right side
216,697.42x = 35,854,124,136.15 - Step 5: Solve for x
x = 35,854,124,136.15/216,697.42 - Step 6: Final answer
x = 165,457.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.