Finding the Fourth Proportional to 420,177.84, 630,170.77 and 120,656.04
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Solution
The fourth proportional to 420,177.84, 630,170.77 and 120,656.04 is: 180,956.50
Step by Step Solution
- Step 1: Write the proportion equation
420,177.84 : 630,170.77 = 120,656.04 : x - Step 2: Convert to fraction form
420,177.84/630,170.77 = 120,656.04/x - Step 3: Cross multiply
420,177.84x = 630,170.77 × 120,656.04 - Step 4: Simplify right side
420,177.84x = 76,033,909,631.95 - Step 5: Solve for x
x = 76,033,909,631.95/420,177.84 - Step 6: Final answer
x = 180,956.50
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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.