Finding the Fourth Proportional to 177,643.12, 266,506.62 and 57,699.70
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Solution
The fourth proportional to 177,643.12, 266,506.62 and 57,699.70 is: 86,563.17
Step by Step Solution
- Step 1: Write the proportion equation
177,643.12 : 266,506.62 = 57,699.70 : x - Step 2: Convert to fraction form
177,643.12/266,506.62 = 57,699.70/x - Step 3: Cross multiply
177,643.12x = 266,506.62 × 57,699.70 - Step 4: Simplify right side
177,643.12x = 15,377,352,022.01 - Step 5: Solve for x
x = 15,377,352,022.01/177,643.12 - Step 6: Final answer
x = 86,563.17
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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.