Finding the Fourth Proportional to 148,194.74, 204,489.68 and 84,528.74
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Solution
The fourth proportional to 148,194.74, 204,489.68 and 84,528.74 is: 116,638.79
Step by Step Solution
- Step 1: Write the proportion equation
148,194.74 : 204,489.68 = 84,528.74 : x - Step 2: Convert to fraction form
148,194.74/204,489.68 = 84,528.74/x - Step 3: Cross multiply
148,194.74x = 204,489.68 × 84,528.74 - Step 4: Simplify right side
148,194.74x = 17,285,254,993.40 - Step 5: Solve for x
x = 17,285,254,993.40/148,194.74 - Step 6: Final answer
x = 116,638.79
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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.