Finding the Fourth Proportional to 470,896.63, 706,344.95 and 138,472.63
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Solution
The fourth proportional to 470,896.63, 706,344.95 and 138,472.63 is: 207,708.95
Step by Step Solution
- Step 1: Write the proportion equation
470,896.63 : 706,344.95 = 138,472.63 : x - Step 2: Convert to fraction form
470,896.63/706,344.95 = 138,472.63/x - Step 3: Cross multiply
470,896.63x = 706,344.95 × 138,472.63 - Step 4: Simplify right side
470,896.63x = 97,809,442,913.72 - Step 5: Solve for x
x = 97,809,442,913.72/470,896.63 - Step 6: Final answer
x = 207,708.95
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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.