Finding the Fourth Proportional to 346,079.70, 519,119.55 and 159,455.70
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Solution
The fourth proportional to 346,079.70, 519,119.55 and 159,455.70 is: 239,183.55
Step by Step Solution
- Step 1: Write the proportion equation
346,079.70 : 519,119.55 = 159,455.70 : x - Step 2: Convert to fraction form
346,079.70/519,119.55 = 159,455.70/x - Step 3: Cross multiply
346,079.70x = 519,119.55 × 159,455.70 - Step 4: Simplify right side
346,079.70x = 82,776,571,228.94 - Step 5: Solve for x
x = 82,776,571,228.94/346,079.70 - Step 6: Final answer
x = 239,183.55
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1.5x scale
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.