Finding the Fourth Proportional to 219,523.83, 302,948.79 and 124,028.49
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Solution
The fourth proportional to 219,523.83, 302,948.79 and 124,028.49 is: 171,162.65
Step by Step Solution
- Step 1: Write the proportion equation
219,523.83 : 302,948.79 = 124,028.49 : x - Step 2: Convert to fraction form
219,523.83/302,948.79 = 124,028.49/x - Step 3: Cross multiply
219,523.83x = 302,948.79 × 124,028.49 - Step 4: Simplify right side
219,523.83x = 37,574,280,971.03 - Step 5: Solve for x
x = 37,574,280,971.03/219,523.83 - Step 6: Final answer
x = 171,162.65
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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.