Finding the Fourth Proportional to 637,083.59, 879,157.69 and 361,491.62
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Solution
The fourth proportional to 637,083.59, 879,157.69 and 361,491.62 is: 498,848.41
Step by Step Solution
- Step 1: Write the proportion equation
637,083.59 : 879,157.69 = 361,491.62 : x - Step 2: Convert to fraction form
637,083.59/879,157.69 = 361,491.62/x - Step 3: Cross multiply
637,083.59x = 879,157.69 × 361,491.62 - Step 4: Simplify right side
637,083.59x = 317,808,138,887.72 - Step 5: Solve for x
x = 317,808,138,887.72/637,083.59 - Step 6: Final answer
x = 498,848.41
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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.