Finding the Fourth Proportional to 178,053.43, 245,713.79 and 97,486.07
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Solution
The fourth proportional to 178,053.43, 245,713.79 and 97,486.07 is: 134,530.81
Step by Step Solution
- Step 1: Write the proportion equation
178,053.43 : 245,713.79 = 97,486.07 : x - Step 2: Convert to fraction form
178,053.43/245,713.79 = 97,486.07/x - Step 3: Cross multiply
178,053.43x = 245,713.79 × 97,486.07 - Step 4: Simplify right side
178,053.43x = 23,953,671,731.91 - Step 5: Solve for x
x = 23,953,671,731.91/178,053.43 - Step 6: Final answer
x = 134,530.81
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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.