Finding the Fourth Proportional to 456,679.12, 630,194.70 and 252,726.28
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Solution
The fourth proportional to 456,679.12, 630,194.70 and 252,726.28 is: 348,749.82
Step by Step Solution
- Step 1: Write the proportion equation
456,679.12 : 630,194.70 = 252,726.28 : x - Step 2: Convert to fraction form
456,679.12/630,194.70 = 252,726.28/x - Step 3: Cross multiply
456,679.12x = 630,194.70 × 252,726.28 - Step 4: Simplify right side
456,679.12x = 159,266,762,206.72 - Step 5: Solve for x
x = 159,266,762,206.72/456,679.12 - Step 6: Final answer
x = 348,749.82
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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.