Finding the Fourth Proportional to 216,693.46, 299,045.78 and 119,895.74
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Solution
The fourth proportional to 216,693.46, 299,045.78 and 119,895.74 is: 165,460.99
Step by Step Solution
- Step 1: Write the proportion equation
216,693.46 : 299,045.78 = 119,895.74 : x - Step 2: Convert to fraction form
216,693.46/299,045.78 = 119,895.74/x - Step 3: Cross multiply
216,693.46x = 299,045.78 × 119,895.74 - Step 4: Simplify right side
216,693.46x = 35,854,314,760.98 - Step 5: Solve for x
x = 35,854,314,760.98/216,693.46 - Step 6: Final answer
x = 165,460.99
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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.