Finding the Fourth Proportional to 103,497.40, 155,246.10 and 97,373.80
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Solution
The fourth proportional to 103,497.40, 155,246.10 and 97,373.80 is: 146,060.70
Step by Step Solution
- Step 1: Write the proportion equation
103,497.40 : 155,246.10 = 97,373.80 : x - Step 2: Convert to fraction form
103,497.40/155,246.10 = 97,373.80/x - Step 3: Cross multiply
103,497.40x = 155,246.10 × 97,373.80 - Step 4: Simplify right side
103,497.40x = 15,116,902,692.18 - Step 5: Solve for x
x = 15,116,902,692.18/103,497.40 - Step 6: Final answer
x = 146,060.70
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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.