Finding the Fourth Proportional to 135,519.98, 203,312.28 and 46,774.26
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Solution
The fourth proportional to 135,519.98, 203,312.28 and 46,774.26 is: 70,172.54
Step by Step Solution
- Step 1: Write the proportion equation
135,519.98 : 203,312.28 = 46,774.26 : x - Step 2: Convert to fraction form
135,519.98/203,312.28 = 46,774.26/x - Step 3: Cross multiply
135,519.98x = 203,312.28 × 46,774.26 - Step 4: Simplify right side
135,519.98x = 9,509,781,445.91 - Step 5: Solve for x
x = 9,509,781,445.91/135,519.98 - Step 6: Final answer
x = 70,172.54
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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.