Finding the Fourth Proportional to 256,166.19, 353,507.99 and 148,762.62
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Solution
The fourth proportional to 256,166.19, 353,507.99 and 148,762.62 is: 205,291.63
Step by Step Solution
- Step 1: Write the proportion equation
256,166.19 : 353,507.99 = 148,762.62 : x - Step 2: Convert to fraction form
256,166.19/353,507.99 = 148,762.62/x - Step 3: Cross multiply
256,166.19x = 353,507.99 × 148,762.62 - Step 4: Simplify right side
256,166.19x = 52,588,774,039.52 - Step 5: Solve for x
x = 52,588,774,039.52/256,166.19 - Step 6: Final answer
x = 205,291.63
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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.