Finding the Fourth Proportional to 79,147.08, 118,726.79 and 22,988.09
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Solution
The fourth proportional to 79,147.08, 118,726.79 and 22,988.09 is: 34,483.93
Step by Step Solution
- Step 1: Write the proportion equation
79,147.08 : 118,726.79 = 22,988.09 : x - Step 2: Convert to fraction form
79,147.08/118,726.79 = 22,988.09/x - Step 3: Cross multiply
79,147.08x = 118,726.79 × 22,988.09 - Step 4: Simplify right side
79,147.08x = 2,729,302,315.81 - Step 5: Solve for x
x = 2,729,302,315.81/79,147.08 - Step 6: Final answer
x = 34,483.93
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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.