Finding the Fourth Proportional to 239,297.77, 330,226.66 and 130,403.05
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Solution
The fourth proportional to 239,297.77, 330,226.66 and 130,403.05 is: 179,953.89
Step by Step Solution
- Step 1: Write the proportion equation
239,297.77 : 330,226.66 = 130,403.05 : x - Step 2: Convert to fraction form
239,297.77/330,226.66 = 130,403.05/x - Step 3: Cross multiply
239,297.77x = 330,226.66 × 130,403.05 - Step 4: Simplify right side
239,297.77x = 43,062,563,655.31 - Step 5: Solve for x
x = 43,062,563,655.31/239,297.77 - Step 6: Final answer
x = 179,953.89
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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.