Finding the Fourth Proportional to 422,735.02, 583,381.84 and 229,149.07
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Solution
The fourth proportional to 422,735.02, 583,381.84 and 229,149.07 is: 316,229.79
Step by Step Solution
- Step 1: Write the proportion equation
422,735.02 : 583,381.84 = 229,149.07 : x - Step 2: Convert to fraction form
422,735.02/583,381.84 = 229,149.07/x - Step 3: Cross multiply
422,735.02x = 583,381.84 × 229,149.07 - Step 4: Simplify right side
422,735.02x = 133,681,406,090.89 - Step 5: Solve for x
x = 133,681,406,090.89/422,735.02 - Step 6: Final answer
x = 316,229.79
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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.