Finding the Fourth Proportional to 368,668.68, 508,801.05 and 225,523.95
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Solution
The fourth proportional to 368,668.68, 508,801.05 and 225,523.95 is: 311,246.46
Step by Step Solution
- Step 1: Write the proportion equation
368,668.68 : 508,801.05 = 225,523.95 : x - Step 2: Convert to fraction form
368,668.68/508,801.05 = 225,523.95/x - Step 3: Cross multiply
368,668.68x = 508,801.05 × 225,523.95 - Step 4: Simplify right side
368,668.68x = 114,746,822,560.15 - Step 5: Solve for x
x = 114,746,822,560.15/368,668.68 - Step 6: Final answer
x = 311,246.46
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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.