Finding the Fourth Proportional to 368,515.44, 508,546.80 and 207,370.80
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Solution
The fourth proportional to 368,515.44, 508,546.80 and 207,370.80 is: 286,169.17
Step by Step Solution
- Step 1: Write the proportion equation
368,515.44 : 508,546.80 = 207,370.80 : x - Step 2: Convert to fraction form
368,515.44/508,546.80 = 207,370.80/x - Step 3: Cross multiply
368,515.44x = 508,546.80 × 207,370.80 - Step 4: Simplify right side
368,515.44x = 105,457,756,753.44 - Step 5: Solve for x
x = 105,457,756,753.44/368,515.44 - Step 6: Final answer
x = 286,169.17
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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.