Finding the Fourth Proportional to 426,068.64, 587,971.44 and 235,090.08
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Solution
The fourth proportional to 426,068.64, 587,971.44 and 235,090.08 is: 324,422.50
Step by Step Solution
- Step 1: Write the proportion equation
426,068.64 : 587,971.44 = 235,090.08 : x - Step 2: Convert to fraction form
426,068.64/587,971.44 = 235,090.08/x - Step 3: Cross multiply
426,068.64x = 587,971.44 × 235,090.08 - Step 4: Simplify right side
426,068.64x = 138,226,252,867.32 - Step 5: Solve for x
x = 138,226,252,867.32/426,068.64 - Step 6: Final answer
x = 324,422.50
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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.