Finding the Fourth Proportional to 178,133.40, 245,827.80 and 97,564.32
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Solution
The fourth proportional to 178,133.40, 245,827.80 and 97,564.32 is: 134,640.79
Step by Step Solution
- Step 1: Write the proportion equation
178,133.40 : 245,827.80 = 97,564.32 : x - Step 2: Convert to fraction form
178,133.40/245,827.80 = 97,564.32/x - Step 3: Cross multiply
178,133.40x = 245,827.80 × 97,564.32 - Step 4: Simplify right side
178,133.40x = 23,984,022,144.10 - Step 5: Solve for x
x = 23,984,022,144.10/178,133.40 - Step 6: Final answer
x = 134,640.79
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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.