Finding the Fourth Proportional to 489,031.99, 733,485.60 and 189,307.49
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Solution
The fourth proportional to 489,031.99, 733,485.60 and 189,307.49 is: 283,937.08
Step by Step Solution
- Step 1: Write the proportion equation
489,031.99 : 733,485.60 = 189,307.49 : x - Step 2: Convert to fraction form
489,031.99/733,485.60 = 189,307.49/x - Step 3: Cross multiply
489,031.99x = 733,485.60 × 189,307.49 - Step 4: Simplify right side
489,031.99x = 138,854,314,219.72 - Step 5: Solve for x
x = 138,854,314,219.72/489,031.99 - Step 6: Final answer
x = 283,937.08
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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.