Finding the Fourth Proportional to 232,893.70, 349,340.55 and 66,681.70
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Solution
The fourth proportional to 232,893.70, 349,340.55 and 66,681.70 is: 100,022.55
Step by Step Solution
- Step 1: Write the proportion equation
232,893.70 : 349,340.55 = 66,681.70 : x - Step 2: Convert to fraction form
232,893.70/349,340.55 = 66,681.70/x - Step 3: Cross multiply
232,893.70x = 349,340.55 × 66,681.70 - Step 4: Simplify right side
232,893.70x = 23,294,621,752.94 - Step 5: Solve for x
x = 23,294,621,752.94/232,893.70 - Step 6: Final answer
x = 100,022.55
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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.