Finding the Fourth Proportional to 112,866.61, 169,282.62 and 29,767.09
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Solution
The fourth proportional to 112,866.61, 169,282.62 and 29,767.09 is: 44,646.07
Step by Step Solution
- Step 1: Write the proportion equation
112,866.61 : 169,282.62 = 29,767.09 : x - Step 2: Convert to fraction form
112,866.61/169,282.62 = 29,767.09/x - Step 3: Cross multiply
112,866.61x = 169,282.62 × 29,767.09 - Step 4: Simplify right side
112,866.61x = 5,039,050,984.98 - Step 5: Solve for x
x = 5,039,050,984.98/112,866.61 - Step 6: Final answer
x = 44,646.07
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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.