Finding the Fourth Proportional to 402,985.71, 604,456.70 and 122,481.09
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Solution
The fourth proportional to 402,985.71, 604,456.70 and 122,481.09 is: 183,714.99
Step by Step Solution
- Step 1: Write the proportion equation
402,985.71 : 604,456.70 = 122,481.09 : x - Step 2: Convert to fraction form
402,985.71/604,456.70 = 122,481.09/x - Step 3: Cross multiply
402,985.71x = 604,456.70 × 122,481.09 - Step 4: Simplify right side
402,985.71x = 74,034,514,861.40 - Step 5: Solve for x
x = 74,034,514,861.40/402,985.71 - Step 6: Final answer
x = 183,714.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.