Finding the Fourth Proportional to 456,779.21, 630,335.45 and 252,817.97
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Solution
The fourth proportional to 456,779.21, 630,335.45 and 252,817.97 is: 348,877.80
Step by Step Solution
- Step 1: Write the proportion equation
456,779.21 : 630,335.45 = 252,817.97 : x - Step 2: Convert to fraction form
456,779.21/630,335.45 = 252,817.97/x - Step 3: Cross multiply
456,779.21x = 630,335.45 × 252,817.97 - Step 4: Simplify right side
456,779.21x = 159,360,127,623.95 - Step 5: Solve for x
x = 159,360,127,623.95/456,779.21 - Step 6: Final answer
x = 348,877.80
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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.