Finding the Fourth Proportional to 539,149.16, 744,028.36 and 297,431.67
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Solution
The fourth proportional to 539,149.16, 744,028.36 and 297,431.67 is: 410,457.09
Step by Step Solution
- Step 1: Write the proportion equation
539,149.16 : 744,028.36 = 297,431.67 : x - Step 2: Convert to fraction form
539,149.16/744,028.36 = 297,431.67/x - Step 3: Cross multiply
539,149.16x = 744,028.36 × 297,431.67 - Step 4: Simplify right side
539,149.16x = 221,297,598,432.64 - Step 5: Solve for x
x = 221,297,598,432.64/539,149.16 - Step 6: Final answer
x = 410,457.09
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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.