Finding the Fourth Proportional to 159,646.23, 239,487.88 and 53,039.70
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Solution
The fourth proportional to 159,646.23, 239,487.88 and 53,039.70 is: 79,565.71
Step by Step Solution
- Step 1: Write the proportion equation
159,646.23 : 239,487.88 = 53,039.70 : x - Step 2: Convert to fraction form
159,646.23/239,487.88 = 53,039.70/x - Step 3: Cross multiply
159,646.23x = 239,487.88 × 53,039.70 - Step 4: Simplify right side
159,646.23x = 12,702,365,308.84 - Step 5: Solve for x
x = 12,702,365,308.84/159,646.23 - Step 6: Final answer
x = 79,565.71
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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.