Finding the Fourth Proportional to 146,070.64, 201,574.08 and 82,406.80
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Solution
The fourth proportional to 146,070.64, 201,574.08 and 82,406.80 is: 113,719.46
Step by Step Solution
- Step 1: Write the proportion equation
146,070.64 : 201,574.08 = 82,406.80 : x - Step 2: Convert to fraction form
146,070.64/201,574.08 = 82,406.80/x - Step 3: Cross multiply
146,070.64x = 201,574.08 × 82,406.80 - Step 4: Simplify right side
146,070.64x = 16,611,074,895.74 - Step 5: Solve for x
x = 16,611,074,895.74/146,070.64 - Step 6: Final answer
x = 113,719.46
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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.