Finding the Fourth Proportional to 437,896.90, 657,136.95 and 201,117.70
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Solution
The fourth proportional to 437,896.90, 657,136.95 and 201,117.70 is: 301,810.48
Step by Step Solution
- Step 1: Write the proportion equation
437,896.90 : 657,136.95 = 201,117.70 : x - Step 2: Convert to fraction form
437,896.90/657,136.95 = 201,117.70/x - Step 3: Cross multiply
437,896.90x = 657,136.95 × 201,117.70 - Step 4: Simplify right side
437,896.90x = 132,161,871,969.02 - Step 5: Solve for x
x = 132,161,871,969.02/437,896.90 - Step 6: Final answer
x = 301,810.48
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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.