Finding the Fourth Proportional to 178,115.74, 245,800.50 and 97,543.82
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Solution
The fourth proportional to 178,115.74, 245,800.50 and 97,543.82 is: 134,610.90
Step by Step Solution
- Step 1: Write the proportion equation
178,115.74 : 245,800.50 = 97,543.82 : x - Step 2: Convert to fraction form
178,115.74/245,800.50 = 97,543.82/x - Step 3: Cross multiply
178,115.74x = 245,800.50 × 97,543.82 - Step 4: Simplify right side
178,115.74x = 23,976,319,727.91 - Step 5: Solve for x
x = 23,976,319,727.91/178,115.74 - Step 6: Final answer
x = 134,610.90
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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.