Finding the Fourth Proportional to 170,389.02, 235,136.08 and 93,907.96
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Solution
The fourth proportional to 170,389.02, 235,136.08 and 93,907.96 is: 129,592.56
Step by Step Solution
- Step 1: Write the proportion equation
170,389.02 : 235,136.08 = 93,907.96 : x - Step 2: Convert to fraction form
170,389.02/235,136.08 = 93,907.96/x - Step 3: Cross multiply
170,389.02x = 235,136.08 × 93,907.96 - Step 4: Simplify right side
170,389.02x = 22,081,149,124.74 - Step 5: Solve for x
x = 22,081,149,124.74/170,389.02 - Step 6: Final answer
x = 129,592.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.