Finding the Fourth Proportional to 456,654.48, 630,167.65 and 252,713.99
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Solution
The fourth proportional to 456,654.48, 630,167.65 and 252,713.99 is: 348,736.71
Step by Step Solution
- Step 1: Write the proportion equation
456,654.48 : 630,167.65 = 252,713.99 : x - Step 2: Convert to fraction form
456,654.48/630,167.65 = 252,713.99/x - Step 3: Cross multiply
456,654.48x = 630,167.65 × 252,713.99 - Step 4: Simplify right side
456,654.48x = 159,252,181,200.42 - Step 5: Solve for x
x = 159,252,181,200.42/456,654.48 - Step 6: Final answer
x = 348,736.71
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1.5x scale
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.