Finding the Fourth Proportional to 178,079.51, 245,749.75 and 97,511.99
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Solution
The fourth proportional to 178,079.51, 245,749.75 and 97,511.99 is: 134,566.55
Step by Step Solution
- Step 1: Write the proportion equation
178,079.51 : 245,749.75 = 97,511.99 : x - Step 2: Convert to fraction form
178,079.51/245,749.75 = 97,511.99/x - Step 3: Cross multiply
178,079.51x = 245,749.75 × 97,511.99 - Step 4: Simplify right side
178,079.51x = 23,963,545,691.97 - Step 5: Solve for x
x = 23,963,545,691.97/178,079.51 - Step 6: Final answer
x = 134,566.55
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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.