Finding the Fourth Proportional to 380,461.63, 570,557.84 and 110,533.62
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Solution
The fourth proportional to 380,461.63, 570,557.84 and 110,533.62 is: 165,761.32
Step by Step Solution
- Step 1: Write the proportion equation
380,461.63 : 570,557.84 = 110,533.62 : x - Step 2: Convert to fraction form
380,461.63/570,557.84 = 110,533.62/x - Step 3: Cross multiply
380,461.63x = 570,557.84 × 110,533.62 - Step 4: Simplify right side
380,461.63x = 63,065,822,921.91 - Step 5: Solve for x
x = 63,065,822,921.91/380,461.63 - Step 6: Final answer
x = 165,761.32
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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.