Finding the Fourth Proportional to 368,584.20, 508,662.57 and 207,449.70
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Solution
The fourth proportional to 368,584.20, 508,662.57 and 207,449.70 is: 286,289.80
Step by Step Solution
- Step 1: Write the proportion equation
368,584.20 : 508,662.57 = 207,449.70 : x - Step 2: Convert to fraction form
368,584.20/508,662.57 = 207,449.70/x - Step 3: Cross multiply
368,584.20x = 508,662.57 × 207,449.70 - Step 4: Simplify right side
368,584.20x = 105,521,897,547.73 - Step 5: Solve for x
x = 105,521,897,547.73/368,584.20 - Step 6: Final answer
x = 286,289.80
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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.