Finding the Fourth Proportional to 178,065.99, 245,721.73 and 97,478.09
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Solution
The fourth proportional to 178,065.99, 245,721.73 and 97,478.09 is: 134,514.65
Step by Step Solution
- Step 1: Write the proportion equation
178,065.99 : 245,721.73 = 97,478.09 : x - Step 2: Convert to fraction form
178,065.99/245,721.73 = 97,478.09/x - Step 3: Cross multiply
178,065.99x = 245,721.73 × 97,478.09 - Step 4: Simplify right side
178,065.99x = 23,952,484,911.90 - Step 5: Solve for x
x = 23,952,484,911.90/178,065.99 - Step 6: Final answer
x = 134,514.65
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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.