Finding the Fourth Proportional to 304,467.96, 420,157.14 and 168,507.60
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Solution
The fourth proportional to 304,467.96, 420,157.14 and 168,507.60 is: 232,535.70
Step by Step Solution
- Step 1: Write the proportion equation
304,467.96 : 420,157.14 = 168,507.60 : x - Step 2: Convert to fraction form
304,467.96/420,157.14 = 168,507.60/x - Step 3: Cross multiply
304,467.96x = 420,157.14 × 168,507.60 - Step 4: Simplify right side
304,467.96x = 70,799,671,284.26 - Step 5: Solve for x
x = 70,799,671,284.26/304,467.96 - Step 6: Final answer
x = 232,535.70
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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.