Finding the Fourth Proportional to 147,905.20, 204,130.26 and 84,248.92
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Solution
The fourth proportional to 147,905.20, 204,130.26 and 84,248.92 is: 116,275.52
Step by Step Solution
- Step 1: Write the proportion equation
147,905.20 : 204,130.26 = 84,248.92 : x - Step 2: Convert to fraction form
147,905.20/204,130.26 = 84,248.92/x - Step 3: Cross multiply
147,905.20x = 204,130.26 × 84,248.92 - Step 4: Simplify right side
147,905.20x = 17,197,753,944.32 - Step 5: Solve for x
x = 17,197,753,944.32/147,905.20 - Step 6: Final answer
x = 116,275.52
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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.