Finding the Fourth Proportional to 420,293.84, 630,743.60 and 167,427.96
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Solution
The fourth proportional to 420,293.84, 630,743.60 and 167,427.96 is: 251,262.58
Step by Step Solution
- Step 1: Write the proportion equation
420,293.84 : 630,743.60 = 167,427.96 : x - Step 2: Convert to fraction form
420,293.84/630,743.60 = 167,427.96/x - Step 3: Cross multiply
420,293.84x = 630,743.60 × 167,427.96 - Step 4: Simplify right side
420,293.84x = 105,604,114,231.06 - Step 5: Solve for x
x = 105,604,114,231.06/420,293.84 - Step 6: Final answer
x = 251,262.58
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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.