Finding the Fourth Proportional to 295,258.35, 442,221.66 and 137,154.09
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Solution
The fourth proportional to 295,258.35, 442,221.66 and 137,154.09 is: 205,421.83
Step by Step Solution
- Step 1: Write the proportion equation
295,258.35 : 442,221.66 = 137,154.09 : x - Step 2: Convert to fraction form
295,258.35/442,221.66 = 137,154.09/x - Step 3: Cross multiply
295,258.35x = 442,221.66 × 137,154.09 - Step 4: Simplify right side
295,258.35x = 60,652,511,528.25 - Step 5: Solve for x
x = 60,652,511,528.25/295,258.35 - Step 6: Final answer
x = 205,421.83
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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.