Finding the Fourth Proportional to 346,586.78, 519,929.70 and 106,720.94
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Solution
The fourth proportional to 346,586.78, 519,929.70 and 106,720.94 is: 160,096.66
Step by Step Solution
- Step 1: Write the proportion equation
346,586.78 : 519,929.70 = 106,720.94 : x - Step 2: Convert to fraction form
346,586.78/519,929.70 = 106,720.94/x - Step 3: Cross multiply
346,586.78x = 519,929.70 × 106,720.94 - Step 4: Simplify right side
346,586.78x = 55,487,386,317.92 - Step 5: Solve for x
x = 55,487,386,317.92/346,586.78 - Step 6: Final answer
x = 160,096.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.