Finding the Fourth Proportional to 147,966.12, 204,192.90 and 84,302.28
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Solution
The fourth proportional to 147,966.12, 204,192.90 and 84,302.28 is: 116,336.95
Step by Step Solution
- Step 1: Write the proportion equation
147,966.12 : 204,192.90 = 84,302.28 : x - Step 2: Convert to fraction form
147,966.12/204,192.90 = 84,302.28/x - Step 3: Cross multiply
147,966.12x = 204,192.90 × 84,302.28 - Step 4: Simplify right side
147,966.12x = 17,213,927,029.81 - Step 5: Solve for x
x = 17,213,927,029.81/147,966.12 - Step 6: Final answer
x = 116,336.95
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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.