Finding the Fourth Proportional to 510,102.60, 764,497.80 and 310,210.80
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Solution
The fourth proportional to 510,102.60, 764,497.80 and 310,210.80 is: 464,917.20
Step by Step Solution
- Step 1: Write the proportion equation
510,102.60 : 764,497.80 = 310,210.80 : x - Step 2: Convert to fraction form
510,102.60/764,497.80 = 310,210.80/x - Step 3: Cross multiply
510,102.60x = 764,497.80 × 310,210.80 - Step 4: Simplify right side
510,102.60x = 237,155,474,136.24 - Step 5: Solve for x
x = 237,155,474,136.24/510,102.60 - Step 6: Final answer
x = 464,917.20
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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.