Finding the Fourth Proportional to 291,765.36, 437,542.74 and 123,298.70
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Solution
The fourth proportional to 291,765.36, 437,542.74 and 123,298.70 is: 184,903.54
Step by Step Solution
- Step 1: Write the proportion equation
291,765.36 : 437,542.74 = 123,298.70 : x - Step 2: Convert to fraction form
291,765.36/437,542.74 = 123,298.70/x - Step 3: Cross multiply
291,765.36x = 437,542.74 × 123,298.70 - Step 4: Simplify right side
291,765.36x = 53,948,448,848.72 - Step 5: Solve for x
x = 53,948,448,848.72/291,765.36 - Step 6: Final answer
x = 184,903.54
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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.