Finding the Fourth Proportional to 159,177.13, 219,552.04 and 135,138.35
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Solution
The fourth proportional to 159,177.13, 219,552.04 and 135,138.35 is: 186,395.50
Step by Step Solution
- Step 1: Write the proportion equation
159,177.13 : 219,552.04 = 135,138.35 : x - Step 2: Convert to fraction form
159,177.13/219,552.04 = 135,138.35/x - Step 3: Cross multiply
159,177.13x = 219,552.04 × 135,138.35 - Step 4: Simplify right side
159,177.13x = 29,669,900,424.73 - Step 5: Solve for x
x = 29,669,900,424.73/159,177.13 - Step 6: Final answer
x = 186,395.50
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1.5x scale
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.