Finding the Fourth Proportional to 475,636.02, 656,372.86 and 260,775.62
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Solution
The fourth proportional to 475,636.02, 656,372.86 and 260,775.62 is: 359,867.70
Step by Step Solution
- Step 1: Write the proportion equation
475,636.02 : 656,372.86 = 260,775.62 : x - Step 2: Convert to fraction form
475,636.02/656,372.86 = 260,775.62/x - Step 3: Cross multiply
475,636.02x = 656,372.86 × 260,775.62 - Step 4: Simplify right side
475,636.02x = 171,166,039,517.67 - Step 5: Solve for x
x = 171,166,039,517.67/475,636.02 - Step 6: Final answer
x = 359,867.70
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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.