Finding the Fourth Proportional to 185,415.12, 255,878.28 and 104,840.94
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Solution
The fourth proportional to 185,415.12, 255,878.28 and 104,840.94 is: 144,683.56
Step by Step Solution
- Step 1: Write the proportion equation
185,415.12 : 255,878.28 = 104,840.94 : x - Step 2: Convert to fraction form
185,415.12/255,878.28 = 104,840.94/x - Step 3: Cross multiply
185,415.12x = 255,878.28 × 104,840.94 - Step 4: Simplify right side
185,415.12x = 26,826,519,400.78 - Step 5: Solve for x
x = 26,826,519,400.78/185,415.12 - Step 6: Final answer
x = 144,683.56
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1.5x scale
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.