Finding the Fourth Proportional to 657,235.70, 986,028.21 and 207,964.55
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Solution
The fourth proportional to 657,235.70, 986,028.21 and 207,964.55 is: 312,002.09
Step by Step Solution
- Step 1: Write the proportion equation
657,235.70 : 986,028.21 = 207,964.55 : x - Step 2: Convert to fraction form
657,235.70/986,028.21 = 207,964.55/x - Step 3: Cross multiply
657,235.70x = 986,028.21 × 207,964.55 - Step 4: Simplify right side
657,235.70x = 205,058,912,979.96 - Step 5: Solve for x
x = 205,058,912,979.96/657,235.70 - Step 6: Final answer
x = 312,002.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.