Finding the Fourth Proportional to 456,993.70, 630,728.07 and 266,119.63
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Solution
The fourth proportional to 456,993.70, 630,728.07 and 266,119.63 is: 367,289.79
Step by Step Solution
- Step 1: Write the proportion equation
456,993.70 : 630,728.07 = 266,119.63 : x - Step 2: Convert to fraction form
456,993.70/630,728.07 = 266,119.63/x - Step 3: Cross multiply
456,993.70x = 630,728.07 × 266,119.63 - Step 4: Simplify right side
456,993.70x = 167,849,118,044.25 - Step 5: Solve for x
x = 167,849,118,044.25/456,993.70 - Step 6: Final answer
x = 367,289.79
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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.