Finding the Fourth Proportional to 442,937.20, 611,442.27 and 297,827.09
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Solution
The fourth proportional to 442,937.20, 611,442.27 and 297,827.09 is: 411,128.42
Step by Step Solution
- Step 1: Write the proportion equation
442,937.20 : 611,442.27 = 297,827.09 : x - Step 2: Convert to fraction form
442,937.20/611,442.27 = 297,827.09/x - Step 3: Cross multiply
442,937.20x = 611,442.27 × 297,827.09 - Step 4: Simplify right side
442,937.20x = 182,104,071,977.09 - Step 5: Solve for x
x = 182,104,071,977.09/442,937.20 - Step 6: Final answer
x = 411,128.42
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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.