Finding the Fourth Proportional to 135,656.90, 203,485.35 and 88,417.70
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Solution
The fourth proportional to 135,656.90, 203,485.35 and 88,417.70 is: 132,626.55
Step by Step Solution
- Step 1: Write the proportion equation
135,656.90 : 203,485.35 = 88,417.70 : x - Step 2: Convert to fraction form
135,656.90/203,485.35 = 88,417.70/x - Step 3: Cross multiply
135,656.90x = 203,485.35 × 88,417.70 - Step 4: Simplify right side
135,656.90x = 17,991,706,630.70 - Step 5: Solve for x
x = 17,991,706,630.70/135,656.90 - Step 6: Final answer
x = 132,626.55
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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.