Finding the Fourth Proportional to 149,985.19, 224,955.66 and 55,193.35
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Solution
The fourth proportional to 149,985.19, 224,955.66 and 55,193.35 is: 82,781.88
Step by Step Solution
- Step 1: Write the proportion equation
149,985.19 : 224,955.66 = 55,193.35 : x - Step 2: Convert to fraction form
149,985.19/224,955.66 = 55,193.35/x - Step 3: Cross multiply
149,985.19x = 224,955.66 × 55,193.35 - Step 4: Simplify right side
149,985.19x = 12,416,056,077.54 - Step 5: Solve for x
x = 12,416,056,077.54/149,985.19 - Step 6: Final answer
x = 82,781.88
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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.