Finding the Fourth Proportional to 291,718.80, 437,059.80 and 250,246.80
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Solution
The fourth proportional to 291,718.80, 437,059.80 and 250,246.80 is: 374,925.50
Step by Step Solution
- Step 1: Write the proportion equation
291,718.80 : 437,059.80 = 250,246.80 : x - Step 2: Convert to fraction form
291,718.80/437,059.80 = 250,246.80/x - Step 3: Cross multiply
291,718.80x = 437,059.80 × 250,246.80 - Step 4: Simplify right side
291,718.80x = 109,372,816,358.64 - Step 5: Solve for x
x = 109,372,816,358.64/291,718.80 - Step 6: Final answer
x = 374,925.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.