Finding the Fourth Proportional to 347,253.80, 520,880.70 and 97,935.80
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Solution
The fourth proportional to 347,253.80, 520,880.70 and 97,935.80 is: 146,903.70
Step by Step Solution
- Step 1: Write the proportion equation
347,253.80 : 520,880.70 = 97,935.80 : x - Step 2: Convert to fraction form
347,253.80/520,880.70 = 97,935.80/x - Step 3: Cross multiply
347,253.80x = 520,880.70 × 97,935.80 - Step 4: Simplify right side
347,253.80x = 51,012,868,059.06 - Step 5: Solve for x
x = 51,012,868,059.06/347,253.80 - Step 6: Final answer
x = 146,903.70
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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.