Finding the Fourth Proportional to 159,880.80, 219,033.36 and 153,898.08
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Solution
The fourth proportional to 159,880.80, 219,033.36 and 153,898.08 is: 210,837.16
Step by Step Solution
- Step 1: Write the proportion equation
159,880.80 : 219,033.36 = 153,898.08 : x - Step 2: Convert to fraction form
159,880.80/219,033.36 = 153,898.08/x - Step 3: Cross multiply
159,880.80x = 219,033.36 × 153,898.08 - Step 4: Simplify right side
159,880.80x = 33,708,813,559.95 - Step 5: Solve for x
x = 33,708,813,559.95/159,880.80 - Step 6: Final answer
x = 210,837.16
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.