Finding the Fourth Proportional to 657,236.70, 986,029.71 and 207,965.55
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Solution
The fourth proportional to 657,236.70, 986,029.71 and 207,965.55 is: 312,003.59
Step by Step Solution
- Step 1: Write the proportion equation
657,236.70 : 986,029.71 = 207,965.55 : x - Step 2: Convert to fraction form
657,236.70/986,029.71 = 207,965.55/x - Step 3: Cross multiply
657,236.70x = 986,029.71 × 207,965.55 - Step 4: Simplify right side
657,236.70x = 205,060,210,956.49 - Step 5: Solve for x
x = 205,060,210,956.49/657,236.70 - Step 6: Final answer
x = 312,003.59
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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.