Finding the Fourth Proportional to 467,253.01, 644,809.42 and 252,393.08
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Solution
The fourth proportional to 467,253.01, 644,809.42 and 252,393.08 is: 348,302.59
Step by Step Solution
- Step 1: Write the proportion equation
467,253.01 : 644,809.42 = 252,393.08 : x - Step 2: Convert to fraction form
467,253.01/644,809.42 = 252,393.08/x - Step 3: Cross multiply
467,253.01x = 644,809.42 × 252,393.08 - Step 4: Simplify right side
467,253.01x = 162,745,435,526.81 - Step 5: Solve for x
x = 162,745,435,526.81/467,253.01 - Step 6: Final answer
x = 348,302.59
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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.