Finding the Fourth Proportional to 657,910.08, 987,165.36 and 357,940.80
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Solution
The fourth proportional to 657,910.08, 987,165.36 and 357,940.80 is: 537,074.55
Step by Step Solution
- Step 1: Write the proportion equation
657,910.08 : 987,165.36 = 357,940.80 : x - Step 2: Convert to fraction form
657,910.08/987,165.36 = 357,940.80/x - Step 3: Cross multiply
657,910.08x = 987,165.36 × 357,940.80 - Step 4: Simplify right side
657,910.08x = 353,346,758,690.69 - Step 5: Solve for x
x = 353,346,758,690.69/657,910.08 - Step 6: Final answer
x = 537,074.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.