Finding the Fourth Proportional to 518,511.18, 715,139.79 and 337,281.02
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Solution
The fourth proportional to 518,511.18, 715,139.79 and 337,281.02 is: 465,183.94
Step by Step Solution
- Step 1: Write the proportion equation
518,511.18 : 715,139.79 = 337,281.02 : x - Step 2: Convert to fraction form
518,511.18/715,139.79 = 337,281.02/x - Step 3: Cross multiply
518,511.18x = 715,139.79 × 337,281.02 - Step 4: Simplify right side
518,511.18x = 241,203,074,238.09 - Step 5: Solve for x
x = 241,203,074,238.09/518,511.18 - Step 6: Final answer
x = 465,183.94
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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.