Finding the Fourth Proportional to 159,686.69, 239,489.15 and 47,340.63
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Solution
The fourth proportional to 159,686.69, 239,489.15 and 47,340.63 is: 70,998.82
Step by Step Solution
- Step 1: Write the proportion equation
159,686.69 : 239,489.15 = 47,340.63 : x - Step 2: Convert to fraction form
159,686.69/239,489.15 = 47,340.63/x - Step 3: Cross multiply
159,686.69x = 239,489.15 × 47,340.63 - Step 4: Simplify right side
159,686.69x = 11,337,567,002.46 - Step 5: Solve for x
x = 11,337,567,002.46/159,686.69 - Step 6: Final answer
x = 70,998.82
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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.