Finding the Fourth Proportional to 511,967.16, 767,898.90 and 138,027.96
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Solution
The fourth proportional to 511,967.16, 767,898.90 and 138,027.96 is: 207,027.96
Step by Step Solution
- Step 1: Write the proportion equation
511,967.16 : 767,898.90 = 138,027.96 : x - Step 2: Convert to fraction form
511,967.16/767,898.90 = 138,027.96/x - Step 3: Cross multiply
511,967.16x = 767,898.90 × 138,027.96 - Step 4: Simplify right side
511,967.16x = 105,991,518,653.24 - Step 5: Solve for x
x = 105,991,518,653.24/511,967.16 - Step 6: Final answer
x = 207,027.96
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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.