Finding the Fourth Proportional to 440,916.16, 608,460.96 and 239,713.60
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Solution
The fourth proportional to 440,916.16, 608,460.96 and 239,713.60 is: 330,802.95
Step by Step Solution
- Step 1: Write the proportion equation
440,916.16 : 608,460.96 = 239,713.60 : x - Step 2: Convert to fraction form
440,916.16/608,460.96 = 239,713.60/x - Step 3: Cross multiply
440,916.16x = 608,460.96 × 239,713.60 - Step 4: Simplify right side
440,916.16x = 145,856,367,181.06 - Step 5: Solve for x
x = 145,856,367,181.06/440,916.16 - Step 6: Final answer
x = 330,802.95
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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.