Finding the Fourth Proportional to 178,176.08, 245,879.88 and 97,605.20
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Solution
The fourth proportional to 178,176.08, 245,879.88 and 97,605.20 is: 134,693.47
Step by Step Solution
- Step 1: Write the proportion equation
178,176.08 : 245,879.88 = 97,605.20 : x - Step 2: Convert to fraction form
178,176.08/245,879.88 = 97,605.20/x - Step 3: Cross multiply
178,176.08x = 245,879.88 × 97,605.20 - Step 4: Simplify right side
178,176.08x = 23,999,154,863.38 - Step 5: Solve for x
x = 23,999,154,863.38/178,176.08 - Step 6: Final answer
x = 134,693.47
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1.5x scale
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.