Finding the Fourth Proportional to 291,490.94, 402,258.68 and 170,608.62
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Solution
The fourth proportional to 291,490.94, 402,258.68 and 170,608.62 is: 235,440.59
Step by Step Solution
- Step 1: Write the proportion equation
291,490.94 : 402,258.68 = 170,608.62 : x - Step 2: Convert to fraction form
291,490.94/402,258.68 = 170,608.62/x - Step 3: Cross multiply
291,490.94x = 402,258.68 × 170,608.62 - Step 4: Simplify right side
291,490.94x = 68,628,798,704.34 - Step 5: Solve for x
x = 68,628,798,704.34/291,490.94 - Step 6: Final answer
x = 235,440.59
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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.