Finding the Fourth Proportional to 292,320.60, 438,626.70 and 166,057.80
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Solution
The fourth proportional to 292,320.60, 438,626.70 and 166,057.80 is: 249,169.52
Step by Step Solution
- Step 1: Write the proportion equation
292,320.60 : 438,626.70 = 166,057.80 : x - Step 2: Convert to fraction form
292,320.60/438,626.70 = 166,057.80/x - Step 3: Cross multiply
292,320.60x = 438,626.70 × 166,057.80 - Step 4: Simplify right side
292,320.60x = 72,837,384,823.26 - Step 5: Solve for x
x = 72,837,384,823.26/292,320.60 - Step 6: Final answer
x = 249,169.52
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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.