Finding the Fourth Proportional to 370,276.16, 555,299.44 and 133,588.08
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Solution
The fourth proportional to 370,276.16, 555,299.44 and 133,588.08 is: 200,340.70
Step by Step Solution
- Step 1: Write the proportion equation
370,276.16 : 555,299.44 = 133,588.08 : x - Step 2: Convert to fraction form
370,276.16/555,299.44 = 133,588.08/x - Step 3: Cross multiply
370,276.16x = 555,299.44 × 133,588.08 - Step 4: Simplify right side
370,276.16x = 74,181,386,014.68 - Step 5: Solve for x
x = 74,181,386,014.68/370,276.16 - Step 6: Final answer
x = 200,340.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.