Finding the Fourth Proportional to 405,937.60, 560,419.08 and 244,833.28
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Solution
The fourth proportional to 405,937.60, 560,419.08 and 244,833.28 is: 338,005.75
Step by Step Solution
- Step 1: Write the proportion equation
405,937.60 : 560,419.08 = 244,833.28 : x - Step 2: Convert to fraction form
405,937.60/560,419.08 = 244,833.28/x - Step 3: Cross multiply
405,937.60x = 560,419.08 × 244,833.28 - Step 4: Simplify right side
405,937.60x = 137,209,241,530.98 - Step 5: Solve for x
x = 137,209,241,530.98/405,937.60 - Step 6: Final answer
x = 338,005.75
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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.