Finding the Fourth Proportional to 153,283.92, 211,466.52 and 87,838.08
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Solution
The fourth proportional to 153,283.92, 211,466.52 and 87,838.08 is: 121,179.14
Step by Step Solution
- Step 1: Write the proportion equation
153,283.92 : 211,466.52 = 87,838.08 : x - Step 2: Convert to fraction form
153,283.92/211,466.52 = 87,838.08/x - Step 3: Cross multiply
153,283.92x = 211,466.52 × 87,838.08 - Step 4: Simplify right side
153,283.92x = 18,574,813,101.08 - Step 5: Solve for x
x = 18,574,813,101.08/153,283.92 - Step 6: Final answer
x = 121,179.14
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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.