Finding the Fourth Proportional to 433,111.36, 597,669.12 and 239,507.68
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Solution
The fourth proportional to 433,111.36, 597,669.12 and 239,507.68 is: 330,507.02
Step by Step Solution
- Step 1: Write the proportion equation
433,111.36 : 597,669.12 = 239,507.68 : x - Step 2: Convert to fraction form
433,111.36/597,669.12 = 239,507.68/x - Step 3: Cross multiply
433,111.36x = 597,669.12 × 239,507.68 - Step 4: Simplify right side
433,111.36x = 143,146,344,338.84 - Step 5: Solve for x
x = 143,146,344,338.84/433,111.36 - Step 6: Final answer
x = 330,507.02
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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.