Finding the Fourth Proportional to 510,201.60, 764,646.30 and 310,309.80
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Solution
The fourth proportional to 510,201.60, 764,646.30 and 310,309.80 is: 465,065.65
Step by Step Solution
- Step 1: Write the proportion equation
510,201.60 : 764,646.30 = 310,309.80 : x - Step 2: Convert to fraction form
510,201.60/764,646.30 = 310,309.80/x - Step 3: Cross multiply
510,201.60x = 764,646.30 × 310,309.80 - Step 4: Simplify right side
510,201.60x = 237,277,240,423.74 - Step 5: Solve for x
x = 237,277,240,423.74/510,201.60 - Step 6: Final answer
x = 465,065.65
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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.