Finding the Fourth Proportional to 467,899.13, 645,403.55 and 306,764.62
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Solution
The fourth proportional to 467,899.13, 645,403.55 and 306,764.62 is: 423,140.28
Step by Step Solution
- Step 1: Write the proportion equation
467,899.13 : 645,403.55 = 306,764.62 : x - Step 2: Convert to fraction form
467,899.13/645,403.55 = 306,764.62/x - Step 3: Cross multiply
467,899.13x = 645,403.55 × 306,764.62 - Step 4: Simplify right side
467,899.13x = 197,986,971,615.07 - Step 5: Solve for x
x = 197,986,971,615.07/467,899.13 - Step 6: Final answer
x = 423,140.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.