Finding the Fourth Proportional to 178,279.96, 245,884.62 and 151,511.08
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Solution
The fourth proportional to 178,279.96, 245,884.62 and 151,511.08 is: 208,964.85
Step by Step Solution
- Step 1: Write the proportion equation
178,279.96 : 245,884.62 = 151,511.08 : x - Step 2: Convert to fraction form
178,279.96/245,884.62 = 151,511.08/x - Step 3: Cross multiply
178,279.96x = 245,884.62 × 151,511.08 - Step 4: Simplify right side
178,279.96x = 37,254,244,331.59 - Step 5: Solve for x
x = 37,254,244,331.59/178,279.96 - Step 6: Final answer
x = 208,964.85
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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.