Finding the Fourth Proportional to 375,831.84, 518,647.68 and 206,068.80
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Solution
The fourth proportional to 375,831.84, 518,647.68 and 206,068.80 is: 284,374.80
Step by Step Solution
- Step 1: Write the proportion equation
375,831.84 : 518,647.68 = 206,068.80 : x - Step 2: Convert to fraction form
375,831.84/518,647.68 = 206,068.80/x - Step 3: Cross multiply
375,831.84x = 518,647.68 × 206,068.80 - Step 4: Simplify right side
375,831.84x = 106,877,105,040.38 - Step 5: Solve for x
x = 106,877,105,040.38/375,831.84 - Step 6: Final answer
x = 284,374.80
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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.