Finding the Fourth Proportional to 159,148.99, 219,626.22 and 87,533.53
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Solution
The fourth proportional to 159,148.99, 219,626.22 and 87,533.53 is: 120,796.61
Step by Step Solution
- Step 1: Write the proportion equation
159,148.99 : 219,626.22 = 87,533.53 : x - Step 2: Convert to fraction form
159,148.99/219,626.22 = 87,533.53/x - Step 3: Cross multiply
159,148.99x = 219,626.22 × 87,533.53 - Step 4: Simplify right side
159,148.99x = 19,224,658,317.16 - Step 5: Solve for x
x = 19,224,658,317.16/159,148.99 - Step 6: Final answer
x = 120,796.61
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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.