Finding the Fourth Proportional to 189,953.80, 263,334.99 and 179,841.76
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Solution
The fourth proportional to 189,953.80, 263,334.99 and 179,841.76 is: 249,316.56
Step by Step Solution
- Step 1: Write the proportion equation
189,953.80 : 263,334.99 = 179,841.76 : x - Step 2: Convert to fraction form
189,953.80/263,334.99 = 179,841.76/x - Step 3: Cross multiply
189,953.80x = 263,334.99 × 179,841.76 - Step 4: Simplify right side
189,953.80x = 47,358,628,071.18 - Step 5: Solve for x
x = 47,358,628,071.18/189,953.80 - Step 6: Final answer
x = 249,316.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.