Finding the Fourth Proportional to 178,901.65, 246,888.99 and 98,331.32
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Solution
The fourth proportional to 178,901.65, 246,888.99 and 98,331.32 is: 135,699.82
Step by Step Solution
- Step 1: Write the proportion equation
178,901.65 : 246,888.99 = 98,331.32 : x - Step 2: Convert to fraction form
178,901.65/246,888.99 = 98,331.32/x - Step 3: Cross multiply
178,901.65x = 246,888.99 × 98,331.32 - Step 4: Simplify right side
178,901.65x = 24,276,920,897.39 - Step 5: Solve for x
x = 24,276,920,897.39/178,901.65 - Step 6: Final answer
x = 135,699.82
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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.