Finding the Fourth Proportional to 570,813.31, 856,151.92 and 150,121.99
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Solution
The fourth proportional to 570,813.31, 856,151.92 and 150,121.99 is: 225,165.08
Step by Step Solution
- Step 1: Write the proportion equation
570,813.31 : 856,151.92 = 150,121.99 : x - Step 2: Convert to fraction form
570,813.31/856,151.92 = 150,121.99/x - Step 3: Cross multiply
570,813.31x = 856,151.92 × 150,121.99 - Step 4: Simplify right side
570,813.31x = 128,527,224,941.35 - Step 5: Solve for x
x = 128,527,224,941.35/570,813.31 - Step 6: Final answer
x = 225,165.08
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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.