Finding the Fourth Proportional to 239,303.82, 330,235.03 and 130,409.13
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Solution
The fourth proportional to 239,303.82, 330,235.03 and 130,409.13 is: 179,962.29
Step by Step Solution
- Step 1: Write the proportion equation
239,303.82 : 330,235.03 = 130,409.13 : x - Step 2: Convert to fraction form
239,303.82/330,235.03 = 130,409.13/x - Step 3: Cross multiply
239,303.82x = 330,235.03 × 130,409.13 - Step 4: Simplify right side
239,303.82x = 43,065,664,359.22 - Step 5: Solve for x
x = 43,065,664,359.22/239,303.82 - Step 6: Final answer
x = 179,962.29
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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.