Finding the Fourth Proportional to 147,506.25, 203,576.10 and 83,853.63
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Solution
The fourth proportional to 147,506.25, 203,576.10 and 83,853.63 is: 115,727.94
Step by Step Solution
- Step 1: Write the proportion equation
147,506.25 : 203,576.10 = 83,853.63 : x - Step 2: Convert to fraction form
147,506.25/203,576.10 = 83,853.63/x - Step 3: Cross multiply
147,506.25x = 203,576.10 × 83,853.63 - Step 4: Simplify right side
147,506.25x = 17,070,594,966.24 - Step 5: Solve for x
x = 17,070,594,966.24/147,506.25 - Step 6: Final answer
x = 115,727.94
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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.