Finding the Fourth Proportional to 662,461.98, 993,693.42 and 213,182.75
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Solution
The fourth proportional to 662,461.98, 993,693.42 and 213,182.75 is: 319,774.28
Step by Step Solution
- Step 1: Write the proportion equation
662,461.98 : 993,693.42 = 213,182.75 : x - Step 2: Convert to fraction form
662,461.98/993,693.42 = 213,182.75/x - Step 3: Cross multiply
662,461.98x = 993,693.42 × 213,182.75 - Step 4: Simplify right side
662,461.98x = 211,838,298,416.74 - Step 5: Solve for x
x = 211,838,298,416.74/662,461.98 - Step 6: Final answer
x = 319,774.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.