Finding the Fourth Proportional to 432,638.88, 597,053.70 and 239,059.08
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Solution
The fourth proportional to 432,638.88, 597,053.70 and 239,059.08 is: 329,908.19
Step by Step Solution
- Step 1: Write the proportion equation
432,638.88 : 597,053.70 = 239,059.08 : x - Step 2: Convert to fraction form
432,638.88/597,053.70 = 239,059.08/x - Step 3: Cross multiply
432,638.88x = 597,053.70 × 239,059.08 - Step 4: Simplify right side
432,638.88x = 142,731,108,232.60 - Step 5: Solve for x
x = 142,731,108,232.60/432,638.88 - Step 6: Final answer
x = 329,908.19
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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.