Finding the Fourth Proportional to 346,137.60, 519,438.60 and 121,497.60
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Solution
The fourth proportional to 346,137.60, 519,438.60 and 121,497.60 is: 182,327.90
Step by Step Solution
- Step 1: Write the proportion equation
346,137.60 : 519,438.60 = 121,497.60 : x - Step 2: Convert to fraction form
346,137.60/519,438.60 = 121,497.60/x - Step 3: Cross multiply
346,137.60x = 519,438.60 × 121,497.60 - Step 4: Simplify right side
346,137.60x = 63,110,543,247.36 - Step 5: Solve for x
x = 63,110,543,247.36/346,137.60 - Step 6: Final answer
x = 182,327.90
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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.