Finding the Fourth Proportional to 422,982.18, 583,701.12 and 251,002.26
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Solution
The fourth proportional to 422,982.18, 583,701.12 and 251,002.26 is: 346,374.64
Step by Step Solution
- Step 1: Write the proportion equation
422,982.18 : 583,701.12 = 251,002.26 : x - Step 2: Convert to fraction form
422,982.18/583,701.12 = 251,002.26/x - Step 3: Cross multiply
422,982.18x = 583,701.12 × 251,002.26 - Step 4: Simplify right side
422,982.18x = 146,510,300,284.53 - Step 5: Solve for x
x = 146,510,300,284.53/422,982.18 - Step 6: Final answer
x = 346,374.64
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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.