Finding the Fourth Proportional to 621,899.28, 932,878.08 and 201,208.08
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Solution
The fourth proportional to 621,899.28, 932,878.08 and 201,208.08 is: 301,821.55
Step by Step Solution
- Step 1: Write the proportion equation
621,899.28 : 932,878.08 = 201,208.08 : x - Step 2: Convert to fraction form
621,899.28/932,878.08 = 201,208.08/x - Step 3: Cross multiply
621,899.28x = 932,878.08 × 201,208.08 - Step 4: Simplify right side
621,899.28x = 187,702,607,350.89 - Step 5: Solve for x
x = 187,702,607,350.89/621,899.28 - Step 6: Final answer
x = 301,821.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.