Finding the Fourth Proportional to 575,959.20, 863,840.36 and 155,136.66
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Solution
The fourth proportional to 575,959.20, 863,840.36 and 155,136.66 is: 232,678.47
Step by Step Solution
- Step 1: Write the proportion equation
575,959.20 : 863,840.36 = 155,136.66 : x - Step 2: Convert to fraction form
575,959.20/863,840.36 = 155,136.66/x - Step 3: Cross multiply
575,959.20x = 863,840.36 × 155,136.66 - Step 4: Simplify right side
575,959.20x = 134,013,305,372.04 - Step 5: Solve for x
x = 134,013,305,372.04/575,959.20 - Step 6: Final answer
x = 232,678.47
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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.