Finding the Fourth Proportional to 572,354.16, 789,851.82 and 357,618.84
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Solution
The fourth proportional to 572,354.16, 789,851.82 and 357,618.84 is: 493,515.92
Step by Step Solution
- Step 1: Write the proportion equation
572,354.16 : 789,851.82 = 357,618.84 : x - Step 2: Convert to fraction form
572,354.16/789,851.82 = 357,618.84/x - Step 3: Cross multiply
572,354.16x = 789,851.82 × 357,618.84 - Step 4: Simplify right side
572,354.16x = 282,465,891,640.29 - Step 5: Solve for x
x = 282,465,891,640.29/572,354.16 - Step 6: Final answer
x = 493,515.92
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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.