Finding the Fourth Proportional to 219,251.18, 302,559.08 and 122,460.14
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Solution
The fourth proportional to 219,251.18, 302,559.08 and 122,460.14 is: 168,990.78
Step by Step Solution
- Step 1: Write the proportion equation
219,251.18 : 302,559.08 = 122,460.14 : x - Step 2: Convert to fraction form
219,251.18/302,559.08 = 122,460.14/x - Step 3: Cross multiply
219,251.18x = 302,559.08 × 122,460.14 - Step 4: Simplify right side
219,251.18x = 37,051,427,295.07 - Step 5: Solve for x
x = 37,051,427,295.07/219,251.18 - Step 6: Final answer
x = 168,990.78
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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.