Finding the Fourth Proportional to 168,358.74, 232,328.97 and 92,905.62
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Solution
The fourth proportional to 168,358.74, 232,328.97 and 92,905.62 is: 128,206.39
Step by Step Solution
- Step 1: Write the proportion equation
168,358.74 : 232,328.97 = 92,905.62 : x - Step 2: Convert to fraction form
168,358.74/232,328.97 = 92,905.62/x - Step 3: Cross multiply
168,358.74x = 232,328.97 × 92,905.62 - Step 4: Simplify right side
168,358.74x = 21,584,667,001.81 - Step 5: Solve for x
x = 21,584,667,001.81/168,358.74 - Step 6: Final answer
x = 128,206.39
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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.