Finding the Fourth Proportional to 185,430.08, 255,859.31 and 108,961.63
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Solution
The fourth proportional to 185,430.08, 255,859.31 and 108,961.63 is: 150,346.95
Step by Step Solution
- Step 1: Write the proportion equation
185,430.08 : 255,859.31 = 108,961.63 : x - Step 2: Convert to fraction form
185,430.08/255,859.31 = 108,961.63/x - Step 3: Cross multiply
185,430.08x = 255,859.31 × 108,961.63 - Step 4: Simplify right side
185,430.08x = 27,878,847,101.03 - Step 5: Solve for x
x = 27,878,847,101.03/185,430.08 - Step 6: Final answer
x = 150,346.95
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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.