Finding the Fourth Proportional to 347,135.10, 520,702.65 and 97,817.10
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Solution
The fourth proportional to 347,135.10, 520,702.65 and 97,817.10 is: 146,725.65
Step by Step Solution
- Step 1: Write the proportion equation
347,135.10 : 520,702.65 = 97,817.10 : x - Step 2: Convert to fraction form
347,135.10/520,702.65 = 97,817.10/x - Step 3: Cross multiply
347,135.10x = 520,702.65 × 97,817.10 - Step 4: Simplify right side
347,135.10x = 50,933,623,185.32 - Step 5: Solve for x
x = 50,933,623,185.32/347,135.10 - Step 6: Final answer
x = 146,725.65
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1.5x scale
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.