Finding the Fourth Proportional to 509,136.79, 762,542.66 and 243,084.14
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Solution
The fourth proportional to 509,136.79, 762,542.66 and 243,084.14 is: 364,071.17
Step by Step Solution
- Step 1: Write the proportion equation
509,136.79 : 762,542.66 = 243,084.14 : x - Step 2: Convert to fraction form
509,136.79/762,542.66 = 243,084.14/x - Step 3: Cross multiply
509,136.79x = 762,542.66 × 243,084.14 - Step 4: Simplify right side
509,136.79x = 185,362,025,006.60 - Step 5: Solve for x
x = 185,362,025,006.60/509,136.79 - Step 6: Final answer
x = 364,071.17
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1.5x scale
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.