Finding the Fourth Proportional to 133,267.33, 183,903.91 and 72,837.48
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Solution
The fourth proportional to 133,267.33, 183,903.91 and 72,837.48 is: 100,512.99
Step by Step Solution
- Step 1: Write the proportion equation
133,267.33 : 183,903.91 = 72,837.48 : x - Step 2: Convert to fraction form
133,267.33/183,903.91 = 72,837.48/x - Step 3: Cross multiply
133,267.33x = 183,903.91 × 72,837.48 - Step 4: Simplify right side
133,267.33x = 13,395,097,366.55 - Step 5: Solve for x
x = 13,395,097,366.55/133,267.33 - Step 6: Final answer
x = 100,512.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.