Finding the Fourth Proportional to 197,128.20, 295,692.30 and 97,303.80
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Solution
The fourth proportional to 197,128.20, 295,692.30 and 97,303.80 is: 145,955.70
Step by Step Solution
- Step 1: Write the proportion equation
197,128.20 : 295,692.30 = 97,303.80 : x - Step 2: Convert to fraction form
197,128.20/295,692.30 = 97,303.80/x - Step 3: Cross multiply
197,128.20x = 295,692.30 × 97,303.80 - Step 4: Simplify right side
197,128.20x = 28,771,984,420.74 - Step 5: Solve for x
x = 28,771,984,420.74/197,128.20 - Step 6: Final answer
x = 145,955.70
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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.