Finding the Fourth Proportional to 657,235.20, 986,027.46 and 207,964.05
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Solution
The fourth proportional to 657,235.20, 986,027.46 and 207,964.05 is: 312,001.34
Step by Step Solution
- Step 1: Write the proportion equation
657,235.20 : 986,027.46 = 207,964.05 : x - Step 2: Convert to fraction form
657,235.20/986,027.46 = 207,964.05/x - Step 3: Cross multiply
657,235.20x = 986,027.46 × 207,964.05 - Step 4: Simplify right side
657,235.20x = 205,058,263,992.81 - Step 5: Solve for x
x = 205,058,263,992.81/657,235.20 - Step 6: Final answer
x = 312,001.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.