Finding the Fourth Proportional to 657,237.70, 986,031.21 and 207,966.55
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Solution
The fourth proportional to 657,237.70, 986,031.21 and 207,966.55 is: 312,005.09
Step by Step Solution
- Step 1: Write the proportion equation
657,237.70 : 986,031.21 = 207,966.55 : x - Step 2: Convert to fraction form
657,237.70/986,031.21 = 207,966.55/x - Step 3: Cross multiply
657,237.70x = 986,031.21 × 207,966.55 - Step 4: Simplify right side
657,237.70x = 205,061,508,936.03 - Step 5: Solve for x
x = 205,061,508,936.03/657,237.70 - Step 6: Final answer
x = 312,005.09
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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.