Finding the Fourth Proportional to 159,027.84, 219,447.36 and 87,406.08
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Solution
The fourth proportional to 159,027.84, 219,447.36 and 87,406.08 is: 120,614.31
Step by Step Solution
- Step 1: Write the proportion equation
159,027.84 : 219,447.36 = 87,406.08 : x - Step 2: Convert to fraction form
159,027.84/219,447.36 = 87,406.08/x - Step 3: Cross multiply
159,027.84x = 219,447.36 × 87,406.08 - Step 4: Simplify right side
159,027.84x = 19,181,033,503.95 - Step 5: Solve for x
x = 19,181,033,503.95/159,027.84 - Step 6: Final answer
x = 120,614.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.