Finding the Fourth Proportional to 457,125.75, 630,835.34 and 266,270.31
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Solution
The fourth proportional to 457,125.75, 630,835.34 and 266,270.31 is: 367,454.08
Step by Step Solution
- Step 1: Write the proportion equation
457,125.75 : 630,835.34 = 266,270.31 : x - Step 2: Convert to fraction form
457,125.75/630,835.34 = 266,270.31/x - Step 3: Cross multiply
457,125.75x = 630,835.34 × 266,270.31 - Step 4: Simplify right side
457,125.75x = 167,972,719,052.25 - Step 5: Solve for x
x = 167,972,719,052.25/457,125.75 - Step 6: Final answer
x = 367,454.08
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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.